Home / 8,989.42-13,488.67-6,061.57

Finding the Fourth Proportional to 8,989.42, 13,488.67 and 6,061.57

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Solution

The fourth proportional to 8,989.42, 13,488.67 and 6,061.57 is: 9,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.42 : 13,488.67 = 6,061.57 : x
  2. Step 2: Convert to fraction form
    8,989.42/13,488.67 = 6,061.57/x
  3. Step 3: Cross multiply
    8,989.42x = 13,488.67 × 6,061.57
  4. Step 4: Simplify right side
    8,989.42x = 81,762,449.97
  5. Step 5: Solve for x
    x = 81,762,449.97/8,989.42
  6. Step 6: Final answer
    x = 9,095.41

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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.