Home / 7,279.32-10,920.33-2,348.44

Finding the Fourth Proportional to 7,279.32, 10,920.33 and 2,348.44

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Solution

The fourth proportional to 7,279.32, 10,920.33 and 2,348.44 is: 3,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.32 : 10,920.33 = 2,348.44 : x
  2. Step 2: Convert to fraction form
    7,279.32/10,920.33 = 2,348.44/x
  3. Step 3: Cross multiply
    7,279.32x = 10,920.33 × 2,348.44
  4. Step 4: Simplify right side
    7,279.32x = 25,645,739.79
  5. Step 5: Solve for x
    x = 25,645,739.79/7,279.32
  6. Step 6: Final answer
    x = 3,523.10

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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.