Home / 8,281.20-11,426.05-5,255.22

Finding the Fourth Proportional to 8,281.20, 11,426.05 and 5,255.22

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Solution

The fourth proportional to 8,281.20, 11,426.05 and 5,255.22 is: 7,250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.20 : 11,426.05 = 5,255.22 : x
  2. Step 2: Convert to fraction form
    8,281.20/11,426.05 = 5,255.22/x
  3. Step 3: Cross multiply
    8,281.20x = 11,426.05 × 5,255.22
  4. Step 4: Simplify right side
    8,281.20x = 60,046,380.20
  5. Step 5: Solve for x
    x = 60,046,380.20/8,281.20
  6. Step 6: Final answer
    x = 7,250.93

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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.