Home / 7,390.32-11,081.88-5,053.92

Finding the Fourth Proportional to 7,390.32, 11,081.88 and 5,053.92

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Solution

The fourth proportional to 7,390.32, 11,081.88 and 5,053.92 is: 7,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.32 : 11,081.88 = 5,053.92 : x
  2. Step 2: Convert to fraction form
    7,390.32/11,081.88 = 5,053.92/x
  3. Step 3: Cross multiply
    7,390.32x = 11,081.88 × 5,053.92
  4. Step 4: Simplify right side
    7,390.32x = 56,006,934.97
  5. Step 5: Solve for x
    x = 56,006,934.97/7,390.32
  6. Step 6: Final answer
    x = 7,578.42

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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.