Home / 8,861.58-12,229.34-4,882.55

Finding the Fourth Proportional to 8,861.58, 12,229.34 and 4,882.55

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Solution

The fourth proportional to 8,861.58, 12,229.34 and 4,882.55 is: 6,738.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.58 : 12,229.34 = 4,882.55 : x
  2. Step 2: Convert to fraction form
    8,861.58/12,229.34 = 4,882.55/x
  3. Step 3: Cross multiply
    8,861.58x = 12,229.34 × 4,882.55
  4. Step 4: Simplify right side
    8,861.58x = 59,710,278.46
  5. Step 5: Solve for x
    x = 59,710,278.46/8,861.58
  6. Step 6: Final answer
    x = 6,738.11

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Double scale
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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.