Home / 5,382.16-7,428.09-3,024.43

Finding the Fourth Proportional to 5,382.16, 7,428.09 and 3,024.43

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Solution

The fourth proportional to 5,382.16, 7,428.09 and 3,024.43 is: 4,174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.16 : 7,428.09 = 3,024.43 : x
  2. Step 2: Convert to fraction form
    5,382.16/7,428.09 = 3,024.43/x
  3. Step 3: Cross multiply
    5,382.16x = 7,428.09 × 3,024.43
  4. Step 4: Simplify right side
    5,382.16x = 22,465,738.24
  5. Step 5: Solve for x
    x = 22,465,738.24/5,382.16
  6. Step 6: Final answer
    x = 4,174.11

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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.