Home / 5,448.38-8,172.56-1,344.38

Finding the Fourth Proportional to 5,448.38, 8,172.56 and 1,344.38

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Solution

The fourth proportional to 5,448.38, 8,172.56 and 1,344.38 is: 2,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.38 : 8,172.56 = 1,344.38 : x
  2. Step 2: Convert to fraction form
    5,448.38/8,172.56 = 1,344.38/x
  3. Step 3: Cross multiply
    5,448.38x = 8,172.56 × 1,344.38
  4. Step 4: Simplify right side
    5,448.38x = 10,986,988.71
  5. Step 5: Solve for x
    x = 10,986,988.71/5,448.38
  6. Step 6: Final answer
    x = 2,016.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.