Home / 4,775.22-7,163.78-1,488.17

Finding the Fourth Proportional to 4,775.22, 7,163.78 and 1,488.17

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Solution

The fourth proportional to 4,775.22, 7,163.78 and 1,488.17 is: 2,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.22 : 7,163.78 = 1,488.17 : x
  2. Step 2: Convert to fraction form
    4,775.22/7,163.78 = 1,488.17/x
  3. Step 3: Cross multiply
    4,775.22x = 7,163.78 × 1,488.17
  4. Step 4: Simplify right side
    4,775.22x = 10,660,932.95
  5. Step 5: Solve for x
    x = 10,660,932.95/4,775.22
  6. Step 6: Final answer
    x = 2,232.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.