Home / 8,080.43-11,150.46-4,543.56

Finding the Fourth Proportional to 8,080.43, 11,150.46 and 4,543.56

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Solution

The fourth proportional to 8,080.43, 11,150.46 and 4,543.56 is: 6,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.43 : 11,150.46 = 4,543.56 : x
  2. Step 2: Convert to fraction form
    8,080.43/11,150.46 = 4,543.56/x
  3. Step 3: Cross multiply
    8,080.43x = 11,150.46 × 4,543.56
  4. Step 4: Simplify right side
    8,080.43x = 50,662,784.04
  5. Step 5: Solve for x
    x = 50,662,784.04/8,080.43
  6. Step 6: Final answer
    x = 6,269.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.