Home / 9,561.92-14,342.04-2,987.36

Finding the Fourth Proportional to 9,561.92, 14,342.04 and 2,987.36

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Solution

The fourth proportional to 9,561.92, 14,342.04 and 2,987.36 is: 4,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,561.92 : 14,342.04 = 2,987.36 : x
  2. Step 2: Convert to fraction form
    9,561.92/14,342.04 = 2,987.36/x
  3. Step 3: Cross multiply
    9,561.92x = 14,342.04 × 2,987.36
  4. Step 4: Simplify right side
    9,561.92x = 42,844,836.61
  5. Step 5: Solve for x
    x = 42,844,836.61/9,561.92
  6. Step 6: Final answer
    x = 4,480.78

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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.