Home / 8,856.12-12,229.74-5,549.88

Finding the Fourth Proportional to 8,856.12, 12,229.74 and 5,549.88

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Solution

The fourth proportional to 8,856.12, 12,229.74 and 5,549.88 is: 7,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.12 : 12,229.74 = 5,549.88 : x
  2. Step 2: Convert to fraction form
    8,856.12/12,229.74 = 5,549.88/x
  3. Step 3: Cross multiply
    8,856.12x = 12,229.74 × 5,549.88
  4. Step 4: Simplify right side
    8,856.12x = 67,873,589.43
  5. Step 5: Solve for x
    x = 67,873,589.43/8,856.12
  6. Step 6: Final answer
    x = 7,664.03

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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.