Home / 8,359.90-12,542.44-3,429.92

Finding the Fourth Proportional to 8,359.90, 12,542.44 and 3,429.92

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Solution

The fourth proportional to 8,359.90, 12,542.44 and 3,429.92 is: 5,145.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.90 : 12,542.44 = 3,429.92 : x
  2. Step 2: Convert to fraction form
    8,359.90/12,542.44 = 3,429.92/x
  3. Step 3: Cross multiply
    8,359.90x = 12,542.44 × 3,429.92
  4. Step 4: Simplify right side
    8,359.90x = 43,019,565.80
  5. Step 5: Solve for x
    x = 43,019,565.80/8,359.90
  6. Step 6: Final answer
    x = 5,145.94

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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.