Home / 6,691.39-9,234.62-3,707.50

Finding the Fourth Proportional to 6,691.39, 9,234.62 and 3,707.50

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Solution

The fourth proportional to 6,691.39, 9,234.62 and 3,707.50 is: 5,116.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.39 : 9,234.62 = 3,707.50 : x
  2. Step 2: Convert to fraction form
    6,691.39/9,234.62 = 3,707.50/x
  3. Step 3: Cross multiply
    6,691.39x = 9,234.62 × 3,707.50
  4. Step 4: Simplify right side
    6,691.39x = 34,237,312.03
  5. Step 5: Solve for x
    x = 34,237,312.03/6,691.39
  6. Step 6: Final answer
    x = 5,116.62

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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.