Home / 4,305.28-6,456.51-1,382.89

Finding the Fourth Proportional to 4,305.28, 6,456.51 and 1,382.89

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Solution

The fourth proportional to 4,305.28, 6,456.51 and 1,382.89 is: 2,073.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.28 : 6,456.51 = 1,382.89 : x
  2. Step 2: Convert to fraction form
    4,305.28/6,456.51 = 1,382.89/x
  3. Step 3: Cross multiply
    4,305.28x = 6,456.51 × 1,382.89
  4. Step 4: Simplify right side
    4,305.28x = 8,928,643.11
  5. Step 5: Solve for x
    x = 8,928,643.11/4,305.28
  6. Step 6: Final answer
    x = 2,073.88

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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.