Home / 7,387.82-10,195.28-4,030.61

Finding the Fourth Proportional to 7,387.82, 10,195.28 and 4,030.61

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Solution

The fourth proportional to 7,387.82, 10,195.28 and 4,030.61 is: 5,562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.82 : 10,195.28 = 4,030.61 : x
  2. Step 2: Convert to fraction form
    7,387.82/10,195.28 = 4,030.61/x
  3. Step 3: Cross multiply
    7,387.82x = 10,195.28 × 4,030.61
  4. Step 4: Simplify right side
    7,387.82x = 41,093,197.52
  5. Step 5: Solve for x
    x = 41,093,197.52/7,387.82
  6. Step 6: Final answer
    x = 5,562.29

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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.