Home / 5,510.28-8,265.38-2,221.05

Finding the Fourth Proportional to 5,510.28, 8,265.38 and 2,221.05

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Solution

The fourth proportional to 5,510.28, 8,265.38 and 2,221.05 is: 3,331.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.28 : 8,265.38 = 2,221.05 : x
  2. Step 2: Convert to fraction form
    5,510.28/8,265.38 = 2,221.05/x
  3. Step 3: Cross multiply
    5,510.28x = 8,265.38 × 2,221.05
  4. Step 4: Simplify right side
    5,510.28x = 18,357,780.92
  5. Step 5: Solve for x
    x = 18,357,780.92/5,510.28
  6. Step 6: Final answer
    x = 3,331.55

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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.