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Finding the Fourth Proportional to 8,590.52, 12,885.24 and 2,434.52

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Solution

The fourth proportional to 8,590.52, 12,885.24 and 2,434.52 is: 3,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.52 : 12,885.24 = 2,434.52 : x
  2. Step 2: Convert to fraction form
    8,590.52/12,885.24 = 2,434.52/x
  3. Step 3: Cross multiply
    8,590.52x = 12,885.24 × 2,434.52
  4. Step 4: Simplify right side
    8,590.52x = 31,369,374.48
  5. Step 5: Solve for x
    x = 31,369,374.48/8,590.52
  6. Step 6: Final answer
    x = 3,651.63

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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.