Home / 8,591.37-12,885.00-6,278.61

Finding the Fourth Proportional to 8,591.37, 12,885.00 and 6,278.61

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Solution

The fourth proportional to 8,591.37, 12,885.00 and 6,278.61 is: 9,416.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.37 : 12,885.00 = 6,278.61 : x
  2. Step 2: Convert to fraction form
    8,591.37/12,885.00 = 6,278.61/x
  3. Step 3: Cross multiply
    8,591.37x = 12,885.00 × 6,278.61
  4. Step 4: Simplify right side
    8,591.37x = 80,899,932.28
  5. Step 5: Solve for x
    x = 80,899,932.28/8,591.37
  6. Step 6: Final answer
    x = 9,416.42

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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.