Home / 4,961.18-7,441.97-2,187.21

Finding the Fourth Proportional to 4,961.18, 7,441.97 and 2,187.21

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Solution

The fourth proportional to 4,961.18, 7,441.97 and 2,187.21 is: 3,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.18 : 7,441.97 = 2,187.21 : x
  2. Step 2: Convert to fraction form
    4,961.18/7,441.97 = 2,187.21/x
  3. Step 3: Cross multiply
    4,961.18x = 7,441.97 × 2,187.21
  4. Step 4: Simplify right side
    4,961.18x = 16,277,156.67
  5. Step 5: Solve for x
    x = 16,277,156.67/4,961.18
  6. Step 6: Final answer
    x = 3,280.91

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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.