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Finding the Fourth Proportional to 5,991.76, 8,988.86 and 2,098.90

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Solution

The fourth proportional to 5,991.76, 8,988.86 and 2,098.90 is: 3,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,991.76 : 8,988.86 = 2,098.90 : x
  2. Step 2: Convert to fraction form
    5,991.76/8,988.86 = 2,098.90/x
  3. Step 3: Cross multiply
    5,991.76x = 8,988.86 × 2,098.90
  4. Step 4: Simplify right side
    5,991.76x = 18,866,718.25
  5. Step 5: Solve for x
    x = 18,866,718.25/5,991.76
  6. Step 6: Final answer
    x = 3,148.78

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1.5x scale

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.