Home / 5,319.66-7,979.50-2,201.44

Finding the Fourth Proportional to 5,319.66, 7,979.50 and 2,201.44

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Solution

The fourth proportional to 5,319.66, 7,979.50 and 2,201.44 is: 3,302.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.66 : 7,979.50 = 2,201.44 : x
  2. Step 2: Convert to fraction form
    5,319.66/7,979.50 = 2,201.44/x
  3. Step 3: Cross multiply
    5,319.66x = 7,979.50 × 2,201.44
  4. Step 4: Simplify right side
    5,319.66x = 17,566,390.48
  5. Step 5: Solve for x
    x = 17,566,390.48/5,319.66
  6. Step 6: Final answer
    x = 3,302.16

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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.