Home / 8,254.28-12,379.80-3,060.56

Finding the Fourth Proportional to 8,254.28, 12,379.80 and 3,060.56

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Solution

The fourth proportional to 8,254.28, 12,379.80 and 3,060.56 is: 4,590.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.28 : 12,379.80 = 3,060.56 : x
  2. Step 2: Convert to fraction form
    8,254.28/12,379.80 = 3,060.56/x
  3. Step 3: Cross multiply
    8,254.28x = 12,379.80 × 3,060.56
  4. Step 4: Simplify right side
    8,254.28x = 37,889,120.69
  5. Step 5: Solve for x
    x = 37,889,120.69/8,254.28
  6. Step 6: Final answer
    x = 4,590.24

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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.