Home / 8,080.20-11,150.16-4,543.50

Finding the Fourth Proportional to 8,080.20, 11,150.16 and 4,543.50

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Solution

The fourth proportional to 8,080.20, 11,150.16 and 4,543.50 is: 6,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.20 : 11,150.16 = 4,543.50 : x
  2. Step 2: Convert to fraction form
    8,080.20/11,150.16 = 4,543.50/x
  3. Step 3: Cross multiply
    8,080.20x = 11,150.16 × 4,543.50
  4. Step 4: Simplify right side
    8,080.20x = 50,660,751.96
  5. Step 5: Solve for x
    x = 50,660,751.96/8,080.20
  6. Step 6: Final answer
    x = 6,269.74

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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.