Home / 5,510.50-8,257.52-2,221.80

Finding the Fourth Proportional to 5,510.50, 8,257.52 and 2,221.80

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Solution

The fourth proportional to 5,510.50, 8,257.52 and 2,221.80 is: 3,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.50 : 8,257.52 = 2,221.80 : x
  2. Step 2: Convert to fraction form
    5,510.50/8,257.52 = 2,221.80/x
  3. Step 3: Cross multiply
    5,510.50x = 8,257.52 × 2,221.80
  4. Step 4: Simplify right side
    5,510.50x = 18,346,557.94
  5. Step 5: Solve for x
    x = 18,346,557.94/5,510.50
  6. Step 6: Final answer
    x = 3,329.38

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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.