Home / 5,979.75-8,969.55-2,690.52

Finding the Fourth Proportional to 5,979.75, 8,969.55 and 2,690.52

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Solution

The fourth proportional to 5,979.75, 8,969.55 and 2,690.52 is: 4,035.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.75 : 8,969.55 = 2,690.52 : x
  2. Step 2: Convert to fraction form
    5,979.75/8,969.55 = 2,690.52/x
  3. Step 3: Cross multiply
    5,979.75x = 8,969.55 × 2,690.52
  4. Step 4: Simplify right side
    5,979.75x = 24,132,753.67
  5. Step 5: Solve for x
    x = 24,132,753.67/5,979.75
  6. Step 6: Final answer
    x = 4,035.75

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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.