Home / 5,447.40-7,517.14-3,057.08

Finding the Fourth Proportional to 5,447.40, 7,517.14 and 3,057.08

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Solution

The fourth proportional to 5,447.40, 7,517.14 and 3,057.08 is: 4,218.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.40 : 7,517.14 = 3,057.08 : x
  2. Step 2: Convert to fraction form
    5,447.40/7,517.14 = 3,057.08/x
  3. Step 3: Cross multiply
    5,447.40x = 7,517.14 × 3,057.08
  4. Step 4: Simplify right side
    5,447.40x = 22,980,498.35
  5. Step 5: Solve for x
    x = 22,980,498.35/5,447.40
  6. Step 6: Final answer
    x = 4,218.62

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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.