Home / 6,723.56-9,278.08-3,739.22

Finding the Fourth Proportional to 6,723.56, 9,278.08 and 3,739.22

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Solution

The fourth proportional to 6,723.56, 9,278.08 and 3,739.22 is: 5,159.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.56 : 9,278.08 = 3,739.22 : x
  2. Step 2: Convert to fraction form
    6,723.56/9,278.08 = 3,739.22/x
  3. Step 3: Cross multiply
    6,723.56x = 9,278.08 × 3,739.22
  4. Step 4: Simplify right side
    6,723.56x = 34,692,726.56
  5. Step 5: Solve for x
    x = 34,692,726.56/6,723.56
  6. Step 6: Final answer
    x = 5,159.88

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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.