Home / 8,800.50-13,200.77-2,961.21

Finding the Fourth Proportional to 8,800.50, 13,200.77 and 2,961.21

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Solution

The fourth proportional to 8,800.50, 13,200.77 and 2,961.21 is: 4,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.50 : 13,200.77 = 2,961.21 : x
  2. Step 2: Convert to fraction form
    8,800.50/13,200.77 = 2,961.21/x
  3. Step 3: Cross multiply
    8,800.50x = 13,200.77 × 2,961.21
  4. Step 4: Simplify right side
    8,800.50x = 39,090,252.13
  5. Step 5: Solve for x
    x = 39,090,252.13/8,800.50
  6. Step 6: Final answer
    x = 4,441.82

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Similar ratio
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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.