Home / 3,887.03-5,366.16-3,122.53

Finding the Fourth Proportional to 3,887.03, 5,366.16 and 3,122.53

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Solution

The fourth proportional to 3,887.03, 5,366.16 and 3,122.53 is: 4,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.03 : 5,366.16 = 3,122.53 : x
  2. Step 2: Convert to fraction form
    3,887.03/5,366.16 = 3,122.53/x
  3. Step 3: Cross multiply
    3,887.03x = 5,366.16 × 3,122.53
  4. Step 4: Simplify right side
    3,887.03x = 16,755,953.14
  5. Step 5: Solve for x
    x = 16,755,953.14/3,887.03
  6. Step 6: Final answer
    x = 4,310.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.