Home / 8,766.36-12,099.12-5,229.80

Finding the Fourth Proportional to 8,766.36, 12,099.12 and 5,229.80

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Solution

The fourth proportional to 8,766.36, 12,099.12 and 5,229.80 is: 7,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.36 : 12,099.12 = 5,229.80 : x
  2. Step 2: Convert to fraction form
    8,766.36/12,099.12 = 5,229.80/x
  3. Step 3: Cross multiply
    8,766.36x = 12,099.12 × 5,229.80
  4. Step 4: Simplify right side
    8,766.36x = 63,275,977.78
  5. Step 5: Solve for x
    x = 63,275,977.78/8,766.36
  6. Step 6: Final answer
    x = 7,218.04

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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.