Home / 6,867.20-9,476.56-3,723.36

Finding the Fourth Proportional to 6,867.20, 9,476.56 and 3,723.36

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Solution

The fourth proportional to 6,867.20, 9,476.56 and 3,723.36 is: 5,138.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.20 : 9,476.56 = 3,723.36 : x
  2. Step 2: Convert to fraction form
    6,867.20/9,476.56 = 3,723.36/x
  3. Step 3: Cross multiply
    6,867.20x = 9,476.56 × 3,723.36
  4. Step 4: Simplify right side
    6,867.20x = 35,284,644.44
  5. Step 5: Solve for x
    x = 35,284,644.44/6,867.20
  6. Step 6: Final answer
    x = 5,138.14

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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.