Home / 4,279.30-5,906.73-2,707.90

Finding the Fourth Proportional to 4,279.30, 5,906.73 and 2,707.90

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Solution

The fourth proportional to 4,279.30, 5,906.73 and 2,707.90 is: 3,737.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.30 : 5,906.73 = 2,707.90 : x
  2. Step 2: Convert to fraction form
    4,279.30/5,906.73 = 2,707.90/x
  3. Step 3: Cross multiply
    4,279.30x = 5,906.73 × 2,707.90
  4. Step 4: Simplify right side
    4,279.30x = 15,994,834.17
  5. Step 5: Solve for x
    x = 15,994,834.17/4,279.30
  6. Step 6: Final answer
    x = 3,737.72

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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.