Home / 5,180.96-7,149.73-2,823.10

Finding the Fourth Proportional to 5,180.96, 7,149.73 and 2,823.10

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Solution

The fourth proportional to 5,180.96, 7,149.73 and 2,823.10 is: 3,895.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.96 : 7,149.73 = 2,823.10 : x
  2. Step 2: Convert to fraction form
    5,180.96/7,149.73 = 2,823.10/x
  3. Step 3: Cross multiply
    5,180.96x = 7,149.73 × 2,823.10
  4. Step 4: Simplify right side
    5,180.96x = 20,184,377.83
  5. Step 5: Solve for x
    x = 20,184,377.83/5,180.96
  6. Step 6: Final answer
    x = 3,895.88

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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.