Home / 5,177.33-7,764.69-1,479.57

Finding the Fourth Proportional to 5,177.33, 7,764.69 and 1,479.57

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Solution

The fourth proportional to 5,177.33, 7,764.69 and 1,479.57 is: 2,218.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.33 : 7,764.69 = 1,479.57 : x
  2. Step 2: Convert to fraction form
    5,177.33/7,764.69 = 1,479.57/x
  3. Step 3: Cross multiply
    5,177.33x = 7,764.69 × 1,479.57
  4. Step 4: Simplify right side
    5,177.33x = 11,488,431.84
  5. Step 5: Solve for x
    x = 11,488,431.84/5,177.33
  6. Step 6: Final answer
    x = 2,218.99

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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.