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Finding the Fourth Proportional to 6,839.01, 10,258.52 and 5,281.29

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Solution

The fourth proportional to 6,839.01, 10,258.52 and 5,281.29 is: 7,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.01 : 10,258.52 = 5,281.29 : x
  2. Step 2: Convert to fraction form
    6,839.01/10,258.52 = 5,281.29/x
  3. Step 3: Cross multiply
    6,839.01x = 10,258.52 × 5,281.29
  4. Step 4: Simplify right side
    6,839.01x = 54,178,168.78
  5. Step 5: Solve for x
    x = 54,178,168.78/6,839.01
  6. Step 6: Final answer
    x = 7,921.93

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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.