Home / 8,572.08-12,860.82-3,025.20

Finding the Fourth Proportional to 8,572.08, 12,860.82 and 3,025.20

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Solution

The fourth proportional to 8,572.08, 12,860.82 and 3,025.20 is: 4,538.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.08 : 12,860.82 = 3,025.20 : x
  2. Step 2: Convert to fraction form
    8,572.08/12,860.82 = 3,025.20/x
  3. Step 3: Cross multiply
    8,572.08x = 12,860.82 × 3,025.20
  4. Step 4: Simplify right side
    8,572.08x = 38,906,552.66
  5. Step 5: Solve for x
    x = 38,906,552.66/8,572.08
  6. Step 6: Final answer
    x = 4,538.75

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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.