Home / 4,254.28-6,381.43-1,480.95

Finding the Fourth Proportional to 4,254.28, 6,381.43 and 1,480.95

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Solution

The fourth proportional to 4,254.28, 6,381.43 and 1,480.95 is: 2,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.28 : 6,381.43 = 1,480.95 : x
  2. Step 2: Convert to fraction form
    4,254.28/6,381.43 = 1,480.95/x
  3. Step 3: Cross multiply
    4,254.28x = 6,381.43 × 1,480.95
  4. Step 4: Simplify right side
    4,254.28x = 9,450,575.06
  5. Step 5: Solve for x
    x = 9,450,575.06/4,254.28
  6. Step 6: Final answer
    x = 2,221.43

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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.