Home / 5,119.55-7,062.57-3,326.90

Finding the Fourth Proportional to 5,119.55, 7,062.57 and 3,326.90

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Solution

The fourth proportional to 5,119.55, 7,062.57 and 3,326.90 is: 4,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.55 : 7,062.57 = 3,326.90 : x
  2. Step 2: Convert to fraction form
    5,119.55/7,062.57 = 3,326.90/x
  3. Step 3: Cross multiply
    5,119.55x = 7,062.57 × 3,326.90
  4. Step 4: Simplify right side
    5,119.55x = 23,496,428.82
  5. Step 5: Solve for x
    x = 23,496,428.82/5,119.55
  6. Step 6: Final answer
    x = 4,589.55

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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.