Home / 6,723.28-9,278.52-4,071.36

Finding the Fourth Proportional to 6,723.28, 9,278.52 and 4,071.36

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Solution

The fourth proportional to 6,723.28, 9,278.52 and 4,071.36 is: 5,618.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.28 : 9,278.52 = 4,071.36 : x
  2. Step 2: Convert to fraction form
    6,723.28/9,278.52 = 4,071.36/x
  3. Step 3: Cross multiply
    6,723.28x = 9,278.52 × 4,071.36
  4. Step 4: Simplify right side
    6,723.28x = 37,776,195.19
  5. Step 5: Solve for x
    x = 37,776,195.19/6,723.28
  6. Step 6: Final answer
    x = 5,618.72

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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.