Home / 6,719.82-9,272.43-3,926.22

Finding the Fourth Proportional to 6,719.82, 9,272.43 and 3,926.22

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Solution

The fourth proportional to 6,719.82, 9,272.43 and 3,926.22 is: 5,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.82 : 9,272.43 = 3,926.22 : x
  2. Step 2: Convert to fraction form
    6,719.82/9,272.43 = 3,926.22/x
  3. Step 3: Cross multiply
    6,719.82x = 9,272.43 × 3,926.22
  4. Step 4: Simplify right side
    6,719.82x = 36,405,600.11
  5. Step 5: Solve for x
    x = 36,405,600.11/6,719.82
  6. Step 6: Final answer
    x = 5,417.65

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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.