Home / 5,253.36-7,249.54-2,863.36

Finding the Fourth Proportional to 5,253.36, 7,249.54 and 2,863.36

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Solution

The fourth proportional to 5,253.36, 7,249.54 and 2,863.36 is: 3,951.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.36 : 7,249.54 = 2,863.36 : x
  2. Step 2: Convert to fraction form
    5,253.36/7,249.54 = 2,863.36/x
  3. Step 3: Cross multiply
    5,253.36x = 7,249.54 × 2,863.36
  4. Step 4: Simplify right side
    5,253.36x = 20,758,006.61
  5. Step 5: Solve for x
    x = 20,758,006.61/5,253.36
  6. Step 6: Final answer
    x = 3,951.38

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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.