Home / 5,176.60-7,766.07-2,255.20

Finding the Fourth Proportional to 5,176.60, 7,766.07 and 2,255.20

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Solution

The fourth proportional to 5,176.60, 7,766.07 and 2,255.20 is: 3,383.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.60 : 7,766.07 = 2,255.20 : x
  2. Step 2: Convert to fraction form
    5,176.60/7,766.07 = 2,255.20/x
  3. Step 3: Cross multiply
    5,176.60x = 7,766.07 × 2,255.20
  4. Step 4: Simplify right side
    5,176.60x = 17,514,041.06
  5. Step 5: Solve for x
    x = 17,514,041.06/5,176.60
  6. Step 6: Final answer
    x = 3,383.31

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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.