Home / 8,359.29-12,540.15-2,813.22

Finding the Fourth Proportional to 8,359.29, 12,540.15 and 2,813.22

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Solution

The fourth proportional to 8,359.29, 12,540.15 and 2,813.22 is: 4,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.29 : 12,540.15 = 2,813.22 : x
  2. Step 2: Convert to fraction form
    8,359.29/12,540.15 = 2,813.22/x
  3. Step 3: Cross multiply
    8,359.29x = 12,540.15 × 2,813.22
  4. Step 4: Simplify right side
    8,359.29x = 35,278,200.78
  5. Step 5: Solve for x
    x = 35,278,200.78/8,359.29
  6. Step 6: Final answer
    x = 4,220.24

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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.