Home / 5,543.28-8,318.52-2,080.50

Finding the Fourth Proportional to 5,543.28, 8,318.52 and 2,080.50

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Solution

The fourth proportional to 5,543.28, 8,318.52 and 2,080.50 is: 3,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.28 : 8,318.52 = 2,080.50 : x
  2. Step 2: Convert to fraction form
    5,543.28/8,318.52 = 2,080.50/x
  3. Step 3: Cross multiply
    5,543.28x = 8,318.52 × 2,080.50
  4. Step 4: Simplify right side
    5,543.28x = 17,306,680.86
  5. Step 5: Solve for x
    x = 17,306,680.86/5,543.28
  6. Step 6: Final answer
    x = 3,122.10

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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.