Home / 6,780.11-9,356.72-3,755.16

Finding the Fourth Proportional to 6,780.11, 9,356.72 and 3,755.16

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Solution

The fourth proportional to 6,780.11, 9,356.72 and 3,755.16 is: 5,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.11 : 9,356.72 = 3,755.16 : x
  2. Step 2: Convert to fraction form
    6,780.11/9,356.72 = 3,755.16/x
  3. Step 3: Cross multiply
    6,780.11x = 9,356.72 × 3,755.16
  4. Step 4: Simplify right side
    6,780.11x = 35,135,961.90
  5. Step 5: Solve for x
    x = 35,135,961.90/6,780.11
  6. Step 6: Final answer
    x = 5,182.22

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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.