Home / 5,398.80-7,449.52-3,040.49

Finding the Fourth Proportional to 5,398.80, 7,449.52 and 3,040.49

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Solution

The fourth proportional to 5,398.80, 7,449.52 and 3,040.49 is: 4,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.80 : 7,449.52 = 3,040.49 : x
  2. Step 2: Convert to fraction form
    5,398.80/7,449.52 = 3,040.49/x
  3. Step 3: Cross multiply
    5,398.80x = 7,449.52 × 3,040.49
  4. Step 4: Simplify right side
    5,398.80x = 22,650,165.88
  5. Step 5: Solve for x
    x = 22,650,165.88/5,398.80
  6. Step 6: Final answer
    x = 4,195.41

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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.