Home / 7,481.28-11,214.12-2,549.28

Finding the Fourth Proportional to 7,481.28, 11,214.12 and 2,549.28

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Solution

The fourth proportional to 7,481.28, 11,214.12 and 2,549.28 is: 3,821.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.28 : 11,214.12 = 2,549.28 : x
  2. Step 2: Convert to fraction form
    7,481.28/11,214.12 = 2,549.28/x
  3. Step 3: Cross multiply
    7,481.28x = 11,214.12 × 2,549.28
  4. Step 4: Simplify right side
    7,481.28x = 28,587,931.83
  5. Step 5: Solve for x
    x = 28,587,931.83/7,481.28
  6. Step 6: Final answer
    x = 3,821.26

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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.