Home / 6,867.40-9,476.98-3,723.57

Finding the Fourth Proportional to 6,867.40, 9,476.98 and 3,723.57

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Solution

The fourth proportional to 6,867.40, 9,476.98 and 3,723.57 is: 5,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.40 : 9,476.98 = 3,723.57 : x
  2. Step 2: Convert to fraction form
    6,867.40/9,476.98 = 3,723.57/x
  3. Step 3: Cross multiply
    6,867.40x = 9,476.98 × 3,723.57
  4. Step 4: Simplify right side
    6,867.40x = 35,288,198.42
  5. Step 5: Solve for x
    x = 35,288,198.42/6,867.40
  6. Step 6: Final answer
    x = 5,138.51

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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.