Home / 5,274.24-7,277.68-3,149.28

Finding the Fourth Proportional to 5,274.24, 7,277.68 and 3,149.28

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Solution

The fourth proportional to 5,274.24, 7,277.68 and 3,149.28 is: 4,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.24 : 7,277.68 = 3,149.28 : x
  2. Step 2: Convert to fraction form
    5,274.24/7,277.68 = 3,149.28/x
  3. Step 3: Cross multiply
    5,274.24x = 7,277.68 × 3,149.28
  4. Step 4: Simplify right side
    5,274.24x = 22,919,452.07
  5. Step 5: Solve for x
    x = 22,919,452.07/5,274.24
  6. Step 6: Final answer
    x = 4,345.55

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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.