Home / 6,780.30-9,356.71-3,755.13

Finding the Fourth Proportional to 6,780.30, 9,356.71 and 3,755.13

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Solution

The fourth proportional to 6,780.30, 9,356.71 and 3,755.13 is: 5,182.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.30 : 9,356.71 = 3,755.13 : x
  2. Step 2: Convert to fraction form
    6,780.30/9,356.71 = 3,755.13/x
  3. Step 3: Cross multiply
    6,780.30x = 9,356.71 × 3,755.13
  4. Step 4: Simplify right side
    6,780.30x = 35,135,662.42
  5. Step 5: Solve for x
    x = 35,135,662.42/6,780.30
  6. Step 6: Final answer
    x = 5,182.02

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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.