Home / 5,180.90-7,768.98-2,841.75

Finding the Fourth Proportional to 5,180.90, 7,768.98 and 2,841.75

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Solution

The fourth proportional to 5,180.90, 7,768.98 and 2,841.75 is: 4,261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.90 : 7,768.98 = 2,841.75 : x
  2. Step 2: Convert to fraction form
    5,180.90/7,768.98 = 2,841.75/x
  3. Step 3: Cross multiply
    5,180.90x = 7,768.98 × 2,841.75
  4. Step 4: Simplify right side
    5,180.90x = 22,077,498.92
  5. Step 5: Solve for x
    x = 22,077,498.92/5,180.90
  6. Step 6: Final answer
    x = 4,261.33

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1.5x scale

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.