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Finding the Fourth Proportional to 5,842.76, 8,063.13 and 3,190.18

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Solution

The fourth proportional to 5,842.76, 8,063.13 and 3,190.18 is: 4,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842.76 : 8,063.13 = 3,190.18 : x
  2. Step 2: Convert to fraction form
    5,842.76/8,063.13 = 3,190.18/x
  3. Step 3: Cross multiply
    5,842.76x = 8,063.13 × 3,190.18
  4. Step 4: Simplify right side
    5,842.76x = 25,722,820.11
  5. Step 5: Solve for x
    x = 25,722,820.11/5,842.76
  6. Step 6: Final answer
    x = 4,402.51

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Find fourth proportional to 2,921.38, 4,031.56 and 1,595.09
Half scale
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Double scale
Find fourth proportional to 5,843.76, 8,064.51 and 3,191.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.