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Finding the Fourth Proportional to 8,743.91, 13,113.02 and 2,898.95

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Solution

The fourth proportional to 8,743.91, 13,113.02 and 2,898.95 is: 4,347.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.91 : 13,113.02 = 2,898.95 : x
  2. Step 2: Convert to fraction form
    8,743.91/13,113.02 = 2,898.95/x
  3. Step 3: Cross multiply
    8,743.91x = 13,113.02 × 2,898.95
  4. Step 4: Simplify right side
    8,743.91x = 38,013,909.27
  5. Step 5: Solve for x
    x = 38,013,909.27/8,743.91
  6. Step 6: Final answer
    x = 4,347.48

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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.