Home / 5,179.22-7,147.35-3,083.42

Finding the Fourth Proportional to 5,179.22, 7,147.35 and 3,083.42

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Solution

The fourth proportional to 5,179.22, 7,147.35 and 3,083.42 is: 4,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.22 : 7,147.35 = 3,083.42 : x
  2. Step 2: Convert to fraction form
    5,179.22/7,147.35 = 3,083.42/x
  3. Step 3: Cross multiply
    5,179.22x = 7,147.35 × 3,083.42
  4. Step 4: Simplify right side
    5,179.22x = 22,038,281.94
  5. Step 5: Solve for x
    x = 22,038,281.94/5,179.22
  6. Step 6: Final answer
    x = 4,255.14

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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.