Home / 5,398.38-7,401.17-5,299.97

Finding the Fourth Proportional to 5,398.38, 7,401.17 and 5,299.97

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Solution

The fourth proportional to 5,398.38, 7,401.17 and 5,299.97 is: 7,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.38 : 7,401.17 = 5,299.97 : x
  2. Step 2: Convert to fraction form
    5,398.38/7,401.17 = 5,299.97/x
  3. Step 3: Cross multiply
    5,398.38x = 7,401.17 × 5,299.97
  4. Step 4: Simplify right side
    5,398.38x = 39,225,955.21
  5. Step 5: Solve for x
    x = 39,225,955.21/5,398.38
  6. Step 6: Final answer
    x = 7,266.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.