Home / 5,177.26-7,765.35-1,479.25

Finding the Fourth Proportional to 5,177.26, 7,765.35 and 1,479.25

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Solution

The fourth proportional to 5,177.26, 7,765.35 and 1,479.25 is: 2,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.26 : 7,765.35 = 1,479.25 : x
  2. Step 2: Convert to fraction form
    5,177.26/7,765.35 = 1,479.25/x
  3. Step 3: Cross multiply
    5,177.26x = 7,765.35 × 1,479.25
  4. Step 4: Simplify right side
    5,177.26x = 11,486,893.99
  5. Step 5: Solve for x
    x = 11,486,893.99/5,177.26
  6. Step 6: Final answer
    x = 2,218.72

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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.