Home / 5,279.97-7,289.25-3,603.88

Finding the Fourth Proportional to 5,279.97, 7,289.25 and 3,603.88

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Solution

The fourth proportional to 5,279.97, 7,289.25 and 3,603.88 is: 4,975.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.97 : 7,289.25 = 3,603.88 : x
  2. Step 2: Convert to fraction form
    5,279.97/7,289.25 = 3,603.88/x
  3. Step 3: Cross multiply
    5,279.97x = 7,289.25 × 3,603.88
  4. Step 4: Simplify right side
    5,279.97x = 26,269,582.29
  5. Step 5: Solve for x
    x = 26,269,582.29/5,279.97
  6. Step 6: Final answer
    x = 4,975.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.