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Finding the Fourth Proportional to 5,980.90, 8,963.96 and 2,080.76

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Solution

The fourth proportional to 5,980.90, 8,963.96 and 2,080.76 is: 3,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.90 : 8,963.96 = 2,080.76 : x
  2. Step 2: Convert to fraction form
    5,980.90/8,963.96 = 2,080.76/x
  3. Step 3: Cross multiply
    5,980.90x = 8,963.96 × 2,080.76
  4. Step 4: Simplify right side
    5,980.90x = 18,651,849.41
  5. Step 5: Solve for x
    x = 18,651,849.41/5,980.90
  6. Step 6: Final answer
    x = 3,118.57

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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.