Home / 5,144.81-7,099.97-3,154.22

Finding the Fourth Proportional to 5,144.81, 7,099.97 and 3,154.22

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Solution

The fourth proportional to 5,144.81, 7,099.97 and 3,154.22 is: 4,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.81 : 7,099.97 = 3,154.22 : x
  2. Step 2: Convert to fraction form
    5,144.81/7,099.97 = 3,154.22/x
  3. Step 3: Cross multiply
    5,144.81x = 7,099.97 × 3,154.22
  4. Step 4: Simplify right side
    5,144.81x = 22,394,816.10
  5. Step 5: Solve for x
    x = 22,394,816.10/5,144.81
  6. Step 6: Final answer
    x = 4,352.90

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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.