Home / 8,289.52-12,431.04-3,092.56

Finding the Fourth Proportional to 8,289.52, 12,431.04 and 3,092.56

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Solution

The fourth proportional to 8,289.52, 12,431.04 and 3,092.56 is: 4,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.52 : 12,431.04 = 3,092.56 : x
  2. Step 2: Convert to fraction form
    8,289.52/12,431.04 = 3,092.56/x
  3. Step 3: Cross multiply
    8,289.52x = 12,431.04 × 3,092.56
  4. Step 4: Simplify right side
    8,289.52x = 38,443,737.06
  5. Step 5: Solve for x
    x = 38,443,737.06/8,289.52
  6. Step 6: Final answer
    x = 4,637.63

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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.