Home / 5,377.29-7,419.85-3,018.97

Finding the Fourth Proportional to 5,377.29, 7,419.85 and 3,018.97

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Solution

The fourth proportional to 5,377.29, 7,419.85 and 3,018.97 is: 4,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.29 : 7,419.85 = 3,018.97 : x
  2. Step 2: Convert to fraction form
    5,377.29/7,419.85 = 3,018.97/x
  3. Step 3: Cross multiply
    5,377.29x = 7,419.85 × 3,018.97
  4. Step 4: Simplify right side
    5,377.29x = 22,400,323.26
  5. Step 5: Solve for x
    x = 22,400,323.26/5,377.29
  6. Step 6: Final answer
    x = 4,165.73

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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.