Home / 6,703.38-9,251.49-3,870.75

Finding the Fourth Proportional to 6,703.38, 9,251.49 and 3,870.75

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Solution

The fourth proportional to 6,703.38, 9,251.49 and 3,870.75 is: 5,342.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,703.38 : 9,251.49 = 3,870.75 : x
  2. Step 2: Convert to fraction form
    6,703.38/9,251.49 = 3,870.75/x
  3. Step 3: Cross multiply
    6,703.38x = 9,251.49 × 3,870.75
  4. Step 4: Simplify right side
    6,703.38x = 35,810,197.66
  5. Step 5: Solve for x
    x = 35,810,197.66/6,703.38
  6. Step 6: Final answer
    x = 5,342.11

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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.