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Finding the Fourth Proportional to 5,586.48, 7,710.48 and 3,229.92

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Solution

The fourth proportional to 5,586.48, 7,710.48 and 3,229.92 is: 4,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.48 : 7,710.48 = 3,229.92 : x
  2. Step 2: Convert to fraction form
    5,586.48/7,710.48 = 3,229.92/x
  3. Step 3: Cross multiply
    5,586.48x = 7,710.48 × 3,229.92
  4. Step 4: Simplify right side
    5,586.48x = 24,904,233.56
  5. Step 5: Solve for x
    x = 24,904,233.56/5,586.48
  6. Step 6: Final answer
    x = 4,457.95

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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.