Home / 5,439.70-7,506.18-3,081.34

Finding the Fourth Proportional to 5,439.70, 7,506.18 and 3,081.34

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Solution

The fourth proportional to 5,439.70, 7,506.18 and 3,081.34 is: 4,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.70 : 7,506.18 = 3,081.34 : x
  2. Step 2: Convert to fraction form
    5,439.70/7,506.18 = 3,081.34/x
  3. Step 3: Cross multiply
    5,439.70x = 7,506.18 × 3,081.34
  4. Step 4: Simplify right side
    5,439.70x = 23,129,092.68
  5. Step 5: Solve for x
    x = 23,129,092.68/5,439.70
  6. Step 6: Final answer
    x = 4,251.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.