Home / 8,524.20-12,786.30-6,337.20

Finding the Fourth Proportional to 8,524.20, 12,786.30 and 6,337.20

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Solution

The fourth proportional to 8,524.20, 12,786.30 and 6,337.20 is: 9,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.20 : 12,786.30 = 6,337.20 : x
  2. Step 2: Convert to fraction form
    8,524.20/12,786.30 = 6,337.20/x
  3. Step 3: Cross multiply
    8,524.20x = 12,786.30 × 6,337.20
  4. Step 4: Simplify right side
    8,524.20x = 81,029,340.36
  5. Step 5: Solve for x
    x = 81,029,340.36/8,524.20
  6. Step 6: Final answer
    x = 9,505.80

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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.