Home / 5,169.78-7,755.60-2,246.50

Finding the Fourth Proportional to 5,169.78, 7,755.60 and 2,246.50

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Solution

The fourth proportional to 5,169.78, 7,755.60 and 2,246.50 is: 3,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.78 : 7,755.60 = 2,246.50 : x
  2. Step 2: Convert to fraction form
    5,169.78/7,755.60 = 2,246.50/x
  3. Step 3: Cross multiply
    5,169.78x = 7,755.60 × 2,246.50
  4. Step 4: Simplify right side
    5,169.78x = 17,422,955.40
  5. Step 5: Solve for x
    x = 17,422,955.40/5,169.78
  6. Step 6: Final answer
    x = 3,370.15

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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.