Home / 4,411.53-6,618.29-1,489.68

Finding the Fourth Proportional to 4,411.53, 6,618.29 and 1,489.68

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Solution

The fourth proportional to 4,411.53, 6,618.29 and 1,489.68 is: 2,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.53 : 6,618.29 = 1,489.68 : x
  2. Step 2: Convert to fraction form
    4,411.53/6,618.29 = 1,489.68/x
  3. Step 3: Cross multiply
    4,411.53x = 6,618.29 × 1,489.68
  4. Step 4: Simplify right side
    4,411.53x = 9,859,126.80
  5. Step 5: Solve for x
    x = 9,859,126.80/4,411.53
  6. Step 6: Final answer
    x = 2,234.85

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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.