Home / 7,481.60-11,223.36-2,549.91

Finding the Fourth Proportional to 7,481.60, 11,223.36 and 2,549.91

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Solution

The fourth proportional to 7,481.60, 11,223.36 and 2,549.91 is: 3,825.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.60 : 11,223.36 = 2,549.91 : x
  2. Step 2: Convert to fraction form
    7,481.60/11,223.36 = 2,549.91/x
  3. Step 3: Cross multiply
    7,481.60x = 11,223.36 × 2,549.91
  4. Step 4: Simplify right side
    7,481.60x = 28,618,557.90
  5. Step 5: Solve for x
    x = 28,618,557.90/7,481.60
  6. Step 6: Final answer
    x = 3,825.19

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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.