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Finding the Fourth Proportional to 5,445, 8,168.46 and 1,748.16

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Solution

The fourth proportional to 5,445, 8,168.46 and 1,748.16 is: 2,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445 : 8,168.46 = 1,748.16 : x
  2. Step 2: Convert to fraction form
    5,445/8,168.46 = 1,748.16/x
  3. Step 3: Cross multiply
    5,445x = 8,168.46 × 1,748.16
  4. Step 4: Simplify right side
    5,445x = 14,279,775.03
  5. Step 5: Solve for x
    x = 14,279,775.03/5,445
  6. Step 6: Final answer
    x = 2,622.55

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Half scale
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Double scale
Find fourth proportional to 5,446, 8,169.96 and 1,749.16
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.