Home / 5,490.60-7,577.25-3,101.09

Finding the Fourth Proportional to 5,490.60, 7,577.25 and 3,101.09

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Solution

The fourth proportional to 5,490.60, 7,577.25 and 3,101.09 is: 4,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.60 : 7,577.25 = 3,101.09 : x
  2. Step 2: Convert to fraction form
    5,490.60/7,577.25 = 3,101.09/x
  3. Step 3: Cross multiply
    5,490.60x = 7,577.25 × 3,101.09
  4. Step 4: Simplify right side
    5,490.60x = 23,497,684.69
  5. Step 5: Solve for x
    x = 23,497,684.69/5,490.60
  6. Step 6: Final answer
    x = 4,279.62

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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.