Home / 5,126.44-7,077.78-3,335.56

Finding the Fourth Proportional to 5,126.44, 7,077.78 and 3,335.56

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Solution

The fourth proportional to 5,126.44, 7,077.78 and 3,335.56 is: 4,605.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.44 : 7,077.78 = 3,335.56 : x
  2. Step 2: Convert to fraction form
    5,126.44/7,077.78 = 3,335.56/x
  3. Step 3: Cross multiply
    5,126.44x = 7,077.78 × 3,335.56
  4. Step 4: Simplify right side
    5,126.44x = 23,608,359.86
  5. Step 5: Solve for x
    x = 23,608,359.86/5,126.44
  6. Step 6: Final answer
    x = 4,605.22

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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.