Home / 7,391.31-10,198.17-4,519.29

Finding the Fourth Proportional to 7,391.31, 10,198.17 and 4,519.29

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Solution

The fourth proportional to 7,391.31, 10,198.17 and 4,519.29 is: 6,235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.31 : 10,198.17 = 4,519.29 : x
  2. Step 2: Convert to fraction form
    7,391.31/10,198.17 = 4,519.29/x
  3. Step 3: Cross multiply
    7,391.31x = 10,198.17 × 4,519.29
  4. Step 4: Simplify right side
    7,391.31x = 46,088,487.70
  5. Step 5: Solve for x
    x = 46,088,487.70/7,391.31
  6. Step 6: Final answer
    x = 6,235.50

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1.5x scale

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.