Home / 7,581.60-11,372.48-2,387.52

Finding the Fourth Proportional to 7,581.60, 11,372.48 and 2,387.52

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Solution

The fourth proportional to 7,581.60, 11,372.48 and 2,387.52 is: 3,581.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.60 : 11,372.48 = 2,387.52 : x
  2. Step 2: Convert to fraction form
    7,581.60/11,372.48 = 2,387.52/x
  3. Step 3: Cross multiply
    7,581.60x = 11,372.48 × 2,387.52
  4. Step 4: Simplify right side
    7,581.60x = 27,152,023.45
  5. Step 5: Solve for x
    x = 27,152,023.45/7,581.60
  6. Step 6: Final answer
    x = 3,581.31

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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.