Home / 5,201.91-7,805.61-2,279.52

Finding the Fourth Proportional to 5,201.91, 7,805.61 and 2,279.52

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Solution

The fourth proportional to 5,201.91, 7,805.61 and 2,279.52 is: 3,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.91 : 7,805.61 = 2,279.52 : x
  2. Step 2: Convert to fraction form
    5,201.91/7,805.61 = 2,279.52/x
  3. Step 3: Cross multiply
    5,201.91x = 7,805.61 × 2,279.52
  4. Step 4: Simplify right side
    5,201.91x = 17,793,044.11
  5. Step 5: Solve for x
    x = 17,793,044.11/5,201.91
  6. Step 6: Final answer
    x = 3,420.48

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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.