Home / 4,047.52-5,578.32-2,997.76

Finding the Fourth Proportional to 4,047.52, 5,578.32 and 2,997.76

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Solution

The fourth proportional to 4,047.52, 5,578.32 and 2,997.76 is: 4,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.52 : 5,578.32 = 2,997.76 : x
  2. Step 2: Convert to fraction form
    4,047.52/5,578.32 = 2,997.76/x
  3. Step 3: Cross multiply
    4,047.52x = 5,578.32 × 2,997.76
  4. Step 4: Simplify right side
    4,047.52x = 16,722,464.56
  5. Step 5: Solve for x
    x = 16,722,464.56/4,047.52
  6. Step 6: Final answer
    x = 4,131.53

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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.