Home / 4,052.28-6,078.41-3,129.18

Finding the Fourth Proportional to 4,052.28, 6,078.41 and 3,129.18

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Solution

The fourth proportional to 4,052.28, 6,078.41 and 3,129.18 is: 4,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,052.28 : 6,078.41 = 3,129.18 : x
  2. Step 2: Convert to fraction form
    4,052.28/6,078.41 = 3,129.18/x
  3. Step 3: Cross multiply
    4,052.28x = 6,078.41 × 3,129.18
  4. Step 4: Simplify right side
    4,052.28x = 19,020,439.00
  5. Step 5: Solve for x
    x = 19,020,439.00/4,052.28
  6. Step 6: Final answer
    x = 4,693.76

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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.