Home / 8,331.15-12,500.28-2,785.26

Finding the Fourth Proportional to 8,331.15, 12,500.28 and 2,785.26

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Solution

The fourth proportional to 8,331.15, 12,500.28 and 2,785.26 is: 4,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.15 : 12,500.28 = 2,785.26 : x
  2. Step 2: Convert to fraction form
    8,331.15/12,500.28 = 2,785.26/x
  3. Step 3: Cross multiply
    8,331.15x = 12,500.28 × 2,785.26
  4. Step 4: Simplify right side
    8,331.15x = 34,816,529.87
  5. Step 5: Solve for x
    x = 34,816,529.87/8,331.15
  6. Step 6: Final answer
    x = 4,179.08

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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.