Home / 5,979.68-8,947.65-3,515.66

Finding the Fourth Proportional to 5,979.68, 8,947.65 and 3,515.66

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Solution

The fourth proportional to 5,979.68, 8,947.65 and 3,515.66 is: 5,260.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.68 : 8,947.65 = 3,515.66 : x
  2. Step 2: Convert to fraction form
    5,979.68/8,947.65 = 3,515.66/x
  3. Step 3: Cross multiply
    5,979.68x = 8,947.65 × 3,515.66
  4. Step 4: Simplify right side
    5,979.68x = 31,456,895.20
  5. Step 5: Solve for x
    x = 31,456,895.20/5,979.68
  6. Step 6: Final answer
    x = 5,260.63

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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.