Home / 7,487.12-11,237.63-3,791.96

Finding the Fourth Proportional to 7,487.12, 11,237.63 and 3,791.96

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Solution

The fourth proportional to 7,487.12, 11,237.63 and 3,791.96 is: 5,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.12 : 11,237.63 = 3,791.96 : x
  2. Step 2: Convert to fraction form
    7,487.12/11,237.63 = 3,791.96/x
  3. Step 3: Cross multiply
    7,487.12x = 11,237.63 × 3,791.96
  4. Step 4: Simplify right side
    7,487.12x = 42,612,624.50
  5. Step 5: Solve for x
    x = 42,612,624.50/7,487.12
  6. Step 6: Final answer
    x = 5,691.46

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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.