Home / 5,126.38-7,074.40-2,768.52

Finding the Fourth Proportional to 5,126.38, 7,074.40 and 2,768.52

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Solution

The fourth proportional to 5,126.38, 7,074.40 and 2,768.52 is: 3,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.38 : 7,074.40 = 2,768.52 : x
  2. Step 2: Convert to fraction form
    5,126.38/7,074.40 = 2,768.52/x
  3. Step 3: Cross multiply
    5,126.38x = 7,074.40 × 2,768.52
  4. Step 4: Simplify right side
    5,126.38x = 19,585,621.35
  5. Step 5: Solve for x
    x = 19,585,621.35/5,126.38
  6. Step 6: Final answer
    x = 3,820.56

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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.