Home / 4,254.32-6,379.92-1,480.28

Finding the Fourth Proportional to 4,254.32, 6,379.92 and 1,480.28

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Solution

The fourth proportional to 4,254.32, 6,379.92 and 1,480.28 is: 2,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.32 : 6,379.92 = 1,480.28 : x
  2. Step 2: Convert to fraction form
    4,254.32/6,379.92 = 1,480.28/x
  3. Step 3: Cross multiply
    4,254.32x = 6,379.92 × 1,480.28
  4. Step 4: Simplify right side
    4,254.32x = 9,444,067.98
  5. Step 5: Solve for x
    x = 9,444,067.98/4,254.32
  6. Step 6: Final answer
    x = 2,219.88

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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.