Home / 5,045.88-7,561.92-3,812.28

Finding the Fourth Proportional to 5,045.88, 7,561.92 and 3,812.28

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Solution

The fourth proportional to 5,045.88, 7,561.92 and 3,812.28 is: 5,713.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.88 : 7,561.92 = 3,812.28 : x
  2. Step 2: Convert to fraction form
    5,045.88/7,561.92 = 3,812.28/x
  3. Step 3: Cross multiply
    5,045.88x = 7,561.92 × 3,812.28
  4. Step 4: Simplify right side
    5,045.88x = 28,828,156.38
  5. Step 5: Solve for x
    x = 28,828,156.38/5,045.88
  6. Step 6: Final answer
    x = 5,713.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.