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Finding the Fourth Proportional to 6,397.57, 9,593.32 and 3,279.07

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Solution

The fourth proportional to 6,397.57, 9,593.32 and 3,279.07 is: 4,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,397.57 : 9,593.32 = 3,279.07 : x
  2. Step 2: Convert to fraction form
    6,397.57/9,593.32 = 3,279.07/x
  3. Step 3: Cross multiply
    6,397.57x = 9,593.32 × 3,279.07
  4. Step 4: Simplify right side
    6,397.57x = 31,457,167.81
  5. Step 5: Solve for x
    x = 31,457,167.81/6,397.57
  6. Step 6: Final answer
    x = 4,917.05

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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.