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Finding the Fourth Proportional to 7,306.62, 10,943.52 and 5,658.18

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Solution

The fourth proportional to 7,306.62, 10,943.52 and 5,658.18 is: 8,474.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,306.62 : 10,943.52 = 5,658.18 : x
  2. Step 2: Convert to fraction form
    7,306.62/10,943.52 = 5,658.18/x
  3. Step 3: Cross multiply
    7,306.62x = 10,943.52 × 5,658.18
  4. Step 4: Simplify right side
    7,306.62x = 61,920,405.99
  5. Step 5: Solve for x
    x = 61,920,405.99/7,306.62
  6. Step 6: Final answer
    x = 8,474.56

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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.