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Finding the Fourth Proportional to 6,084.76, 8,397.10 and 3,728.20

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Solution

The fourth proportional to 6,084.76, 8,397.10 and 3,728.20 is: 5,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,084.76 : 8,397.10 = 3,728.20 : x
  2. Step 2: Convert to fraction form
    6,084.76/8,397.10 = 3,728.20/x
  3. Step 3: Cross multiply
    6,084.76x = 8,397.10 × 3,728.20
  4. Step 4: Simplify right side
    6,084.76x = 31,306,068.22
  5. Step 5: Solve for x
    x = 31,306,068.22/6,084.76
  6. Step 6: Final answer
    x = 5,145.00

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Find fourth proportional to 3,042.38, 4,198.55 and 1,864.10
Half scale
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Double scale
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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.