Home / 8,623.47-12,924.38-3,687.31

Finding the Fourth Proportional to 8,623.47, 12,924.38 and 3,687.31

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Solution

The fourth proportional to 8,623.47, 12,924.38 and 3,687.31 is: 5,526.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.47 : 12,924.38 = 3,687.31 : x
  2. Step 2: Convert to fraction form
    8,623.47/12,924.38 = 3,687.31/x
  3. Step 3: Cross multiply
    8,623.47x = 12,924.38 × 3,687.31
  4. Step 4: Simplify right side
    8,623.47x = 47,656,195.62
  5. Step 5: Solve for x
    x = 47,656,195.62/8,623.47
  6. Step 6: Final answer
    x = 5,526.34

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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.