Home / 5,979.50-8,251.90-3,740.66

Finding the Fourth Proportional to 5,979.50, 8,251.90 and 3,740.66

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Solution

The fourth proportional to 5,979.50, 8,251.90 and 3,740.66 is: 5,162.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.50 : 8,251.90 = 3,740.66 : x
  2. Step 2: Convert to fraction form
    5,979.50/8,251.90 = 3,740.66/x
  3. Step 3: Cross multiply
    5,979.50x = 8,251.90 × 3,740.66
  4. Step 4: Simplify right side
    5,979.50x = 30,867,501.64
  5. Step 5: Solve for x
    x = 30,867,501.64/5,979.50
  6. Step 6: Final answer
    x = 5,162.23

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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.