Home / 8,185.24-12,278.28-2,342.71

Finding the Fourth Proportional to 8,185.24, 12,278.28 and 2,342.71

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Solution

The fourth proportional to 8,185.24, 12,278.28 and 2,342.71 is: 3,514.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.24 : 12,278.28 = 2,342.71 : x
  2. Step 2: Convert to fraction form
    8,185.24/12,278.28 = 2,342.71/x
  3. Step 3: Cross multiply
    8,185.24x = 12,278.28 × 2,342.71
  4. Step 4: Simplify right side
    8,185.24x = 28,764,449.34
  5. Step 5: Solve for x
    x = 28,764,449.34/8,185.24
  6. Step 6: Final answer
    x = 3,514.19

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1.5x scale

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.