Home / 8,226.30-12,341.61-2,382.78

Finding the Fourth Proportional to 8,226.30, 12,341.61 and 2,382.78

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Solution

The fourth proportional to 8,226.30, 12,341.61 and 2,382.78 is: 3,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.30 : 12,341.61 = 2,382.78 : x
  2. Step 2: Convert to fraction form
    8,226.30/12,341.61 = 2,382.78/x
  3. Step 3: Cross multiply
    8,226.30x = 12,341.61 × 2,382.78
  4. Step 4: Simplify right side
    8,226.30x = 29,407,341.48
  5. Step 5: Solve for x
    x = 29,407,341.48/8,226.30
  6. Step 6: Final answer
    x = 3,574.80

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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.