Home / 5,169.40-7,134.80-3,073.12

Finding the Fourth Proportional to 5,169.40, 7,134.80 and 3,073.12

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Solution

The fourth proportional to 5,169.40, 7,134.80 and 3,073.12 is: 4,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.40 : 7,134.80 = 3,073.12 : x
  2. Step 2: Convert to fraction form
    5,169.40/7,134.80 = 3,073.12/x
  3. Step 3: Cross multiply
    5,169.40x = 7,134.80 × 3,073.12
  4. Step 4: Simplify right side
    5,169.40x = 21,926,096.58
  5. Step 5: Solve for x
    x = 21,926,096.58/5,169.40
  6. Step 6: Final answer
    x = 4,241.52

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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.