Home / 5,572.20-8,349.36-3,909.48

Finding the Fourth Proportional to 5,572.20, 8,349.36 and 3,909.48

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Solution

The fourth proportional to 5,572.20, 8,349.36 and 3,909.48 is: 5,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.20 : 8,349.36 = 3,909.48 : x
  2. Step 2: Convert to fraction form
    5,572.20/8,349.36 = 3,909.48/x
  3. Step 3: Cross multiply
    5,572.20x = 8,349.36 × 3,909.48
  4. Step 4: Simplify right side
    5,572.20x = 32,641,655.93
  5. Step 5: Solve for x
    x = 32,641,655.93/5,572.20
  6. Step 6: Final answer
    x = 5,857.95

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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.