Home / 8,623.04-12,938.24-3,693.76

Finding the Fourth Proportional to 8,623.04, 12,938.24 and 3,693.76

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Solution

The fourth proportional to 8,623.04, 12,938.24 and 3,693.76 is: 5,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.04 : 12,938.24 = 3,693.76 : x
  2. Step 2: Convert to fraction form
    8,623.04/12,938.24 = 3,693.76/x
  3. Step 3: Cross multiply
    8,623.04x = 12,938.24 × 3,693.76
  4. Step 4: Simplify right side
    8,623.04x = 47,790,753.38
  5. Step 5: Solve for x
    x = 47,790,753.38/8,623.04
  6. Step 6: Final answer
    x = 5,542.22

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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.