Home / 8,867.55-13,294.26-4,422.78

Finding the Fourth Proportional to 8,867.55, 13,294.26 and 4,422.78

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Solution

The fourth proportional to 8,867.55, 13,294.26 and 4,422.78 is: 6,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.55 : 13,294.26 = 4,422.78 : x
  2. Step 2: Convert to fraction form
    8,867.55/13,294.26 = 4,422.78/x
  3. Step 3: Cross multiply
    8,867.55x = 13,294.26 × 4,422.78
  4. Step 4: Simplify right side
    8,867.55x = 58,797,587.24
  5. Step 5: Solve for x
    x = 58,797,587.24/8,867.55
  6. Step 6: Final answer
    x = 6,630.65

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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.