Home / 7,487.30-11,228.45-2,488.52

Finding the Fourth Proportional to 7,487.30, 11,228.45 and 2,488.52

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Solution

The fourth proportional to 7,487.30, 11,228.45 and 2,488.52 is: 3,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.30 : 11,228.45 = 2,488.52 : x
  2. Step 2: Convert to fraction form
    7,487.30/11,228.45 = 2,488.52/x
  3. Step 3: Cross multiply
    7,487.30x = 11,228.45 × 2,488.52
  4. Step 4: Simplify right side
    7,487.30x = 27,942,209.95
  5. Step 5: Solve for x
    x = 27,942,209.95/7,487.30
  6. Step 6: Final answer
    x = 3,731.95

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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.