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Finding the Fourth Proportional to 8,751.03, 13,123.68 and 2,906.07

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Solution

The fourth proportional to 8,751.03, 13,123.68 and 2,906.07 is: 4,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.03 : 13,123.68 = 2,906.07 : x
  2. Step 2: Convert to fraction form
    8,751.03/13,123.68 = 2,906.07/x
  3. Step 3: Cross multiply
    8,751.03x = 13,123.68 × 2,906.07
  4. Step 4: Simplify right side
    8,751.03x = 38,138,332.74
  5. Step 5: Solve for x
    x = 38,138,332.74/8,751.03
  6. Step 6: Final answer
    x = 4,358.15

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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.