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Finding the Fourth Proportional to 8,752.67, 13,123.73 and 3,488.50

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Solution

The fourth proportional to 8,752.67, 13,123.73 and 3,488.50 is: 5,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.67 : 13,123.73 = 3,488.50 : x
  2. Step 2: Convert to fraction form
    8,752.67/13,123.73 = 3,488.50/x
  3. Step 3: Cross multiply
    8,752.67x = 13,123.73 × 3,488.50
  4. Step 4: Simplify right side
    8,752.67x = 45,782,132.11
  5. Step 5: Solve for x
    x = 45,782,132.11/8,752.67
  6. Step 6: Final answer
    x = 5,230.65

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1.5x scale

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.