Home / 6,734.13-9,294.17-3,939.09

Finding the Fourth Proportional to 6,734.13, 9,294.17 and 3,939.09

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Solution

The fourth proportional to 6,734.13, 9,294.17 and 3,939.09 is: 5,436.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,734.13 : 9,294.17 = 3,939.09 : x
  2. Step 2: Convert to fraction form
    6,734.13/9,294.17 = 3,939.09/x
  3. Step 3: Cross multiply
    6,734.13x = 9,294.17 × 3,939.09
  4. Step 4: Simplify right side
    6,734.13x = 36,610,572.11
  5. Step 5: Solve for x
    x = 36,610,572.11/6,734.13
  6. Step 6: Final answer
    x = 5,436.57

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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.