Home / 5,201.25-7,804.50-2,279.58

Finding the Fourth Proportional to 5,201.25, 7,804.50 and 2,279.58

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Solution

The fourth proportional to 5,201.25, 7,804.50 and 2,279.58 is: 3,420.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.25 : 7,804.50 = 2,279.58 : x
  2. Step 2: Convert to fraction form
    5,201.25/7,804.50 = 2,279.58/x
  3. Step 3: Cross multiply
    5,201.25x = 7,804.50 × 2,279.58
  4. Step 4: Simplify right side
    5,201.25x = 17,790,982.11
  5. Step 5: Solve for x
    x = 17,790,982.11/5,201.25
  6. Step 6: Final answer
    x = 3,420.52

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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.