Home / 5,040-7,561.92-1,962.24

Finding the Fourth Proportional to 5,040, 7,561.92 and 1,962.24

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Solution

The fourth proportional to 5,040, 7,561.92 and 1,962.24 is: 2,944.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040 : 7,561.92 = 1,962.24 : x
  2. Step 2: Convert to fraction form
    5,040/7,561.92 = 1,962.24/x
  3. Step 3: Cross multiply
    5,040x = 7,561.92 × 1,962.24
  4. Step 4: Simplify right side
    5,040x = 14,838,301.90
  5. Step 5: Solve for x
    x = 14,838,301.90/5,040
  6. Step 6: Final answer
    x = 2,944.11

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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.