Home / 4,761.83-7,115.16-3,439.31

Finding the Fourth Proportional to 4,761.83, 7,115.16 and 3,439.31

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Solution

The fourth proportional to 4,761.83, 7,115.16 and 3,439.31 is: 5,139.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.83 : 7,115.16 = 3,439.31 : x
  2. Step 2: Convert to fraction form
    4,761.83/7,115.16 = 3,439.31/x
  3. Step 3: Cross multiply
    4,761.83x = 7,115.16 × 3,439.31
  4. Step 4: Simplify right side
    4,761.83x = 24,471,240.94
  5. Step 5: Solve for x
    x = 24,471,240.94/4,761.83
  6. Step 6: Final answer
    x = 5,139.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.