Home / 5,191.45-7,774.97-2,550.71

Finding the Fourth Proportional to 5,191.45, 7,774.97 and 2,550.71

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Solution

The fourth proportional to 5,191.45, 7,774.97 and 2,550.71 is: 3,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.45 : 7,774.97 = 2,550.71 : x
  2. Step 2: Convert to fraction form
    5,191.45/7,774.97 = 2,550.71/x
  3. Step 3: Cross multiply
    5,191.45x = 7,774.97 × 2,550.71
  4. Step 4: Simplify right side
    5,191.45x = 19,831,693.73
  5. Step 5: Solve for x
    x = 19,831,693.73/5,191.45
  6. Step 6: Final answer
    x = 3,820.07

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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.