Home / 5,488.12-8,221.86-2,711.56

Finding the Fourth Proportional to 5,488.12, 8,221.86 and 2,711.56

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Solution

The fourth proportional to 5,488.12, 8,221.86 and 2,711.56 is: 4,062.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.12 : 8,221.86 = 2,711.56 : x
  2. Step 2: Convert to fraction form
    5,488.12/8,221.86 = 2,711.56/x
  3. Step 3: Cross multiply
    5,488.12x = 8,221.86 × 2,711.56
  4. Step 4: Simplify right side
    5,488.12x = 22,294,066.70
  5. Step 5: Solve for x
    x = 22,294,066.70/5,488.12
  6. Step 6: Final answer
    x = 4,062.24

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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.