Home / 8,656.20-12,986.46-2,500.20

Finding the Fourth Proportional to 8,656.20, 12,986.46 and 2,500.20

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Solution

The fourth proportional to 8,656.20, 12,986.46 and 2,500.20 is: 3,750.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.20 : 12,986.46 = 2,500.20 : x
  2. Step 2: Convert to fraction form
    8,656.20/12,986.46 = 2,500.20/x
  3. Step 3: Cross multiply
    8,656.20x = 12,986.46 × 2,500.20
  4. Step 4: Simplify right side
    8,656.20x = 32,468,747.29
  5. Step 5: Solve for x
    x = 32,468,747.29/8,656.20
  6. Step 6: Final answer
    x = 3,750.92

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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.