Home / 8,758.50-13,122.27-5,631.18

Finding the Fourth Proportional to 8,758.50, 13,122.27 and 5,631.18

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Solution

The fourth proportional to 8,758.50, 13,122.27 and 5,631.18 is: 8,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.50 : 13,122.27 = 5,631.18 : x
  2. Step 2: Convert to fraction form
    8,758.50/13,122.27 = 5,631.18/x
  3. Step 3: Cross multiply
    8,758.50x = 13,122.27 × 5,631.18
  4. Step 4: Simplify right side
    8,758.50x = 73,893,864.38
  5. Step 5: Solve for x
    x = 73,893,864.38/8,758.50
  6. Step 6: Final answer
    x = 8,436.82

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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.