Home / 6,691.32-9,234.12-3,707.40

Finding the Fourth Proportional to 6,691.32, 9,234.12 and 3,707.40

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Solution

The fourth proportional to 6,691.32, 9,234.12 and 3,707.40 is: 5,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.32 : 9,234.12 = 3,707.40 : x
  2. Step 2: Convert to fraction form
    6,691.32/9,234.12 = 3,707.40/x
  3. Step 3: Cross multiply
    6,691.32x = 9,234.12 × 3,707.40
  4. Step 4: Simplify right side
    6,691.32x = 34,234,576.49
  5. Step 5: Solve for x
    x = 34,234,576.49/6,691.32
  6. Step 6: Final answer
    x = 5,116.27

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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.