Home / 8,399.52-12,594.96-3,780

Finding the Fourth Proportional to 8,399.52, 12,594.96 and 3,780

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Solution

The fourth proportional to 8,399.52, 12,594.96 and 3,780 is: 5,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.52 : 12,594.96 = 3,780 : x
  2. Step 2: Convert to fraction form
    8,399.52/12,594.96 = 3,780/x
  3. Step 3: Cross multiply
    8,399.52x = 12,594.96 × 3,780
  4. Step 4: Simplify right side
    8,399.52x = 47,608,948.80
  5. Step 5: Solve for x
    x = 47,608,948.80/8,399.52
  6. Step 6: Final answer
    x = 5,668.06

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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.