Home / 8,825.28-12,179.25-5,242.35

Finding the Fourth Proportional to 8,825.28, 12,179.25 and 5,242.35

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Solution

The fourth proportional to 8,825.28, 12,179.25 and 5,242.35 is: 7,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.28 : 12,179.25 = 5,242.35 : x
  2. Step 2: Convert to fraction form
    8,825.28/12,179.25 = 5,242.35/x
  3. Step 3: Cross multiply
    8,825.28x = 12,179.25 × 5,242.35
  4. Step 4: Simplify right side
    8,825.28x = 63,847,891.24
  5. Step 5: Solve for x
    x = 63,847,891.24/8,825.28
  6. Step 6: Final answer
    x = 7,234.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.