Home / 4,247.80-5,860.72-2,755.76

Finding the Fourth Proportional to 4,247.80, 5,860.72 and 2,755.76

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Solution

The fourth proportional to 4,247.80, 5,860.72 and 2,755.76 is: 3,802.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.80 : 5,860.72 = 2,755.76 : x
  2. Step 2: Convert to fraction form
    4,247.80/5,860.72 = 2,755.76/x
  3. Step 3: Cross multiply
    4,247.80x = 5,860.72 × 2,755.76
  4. Step 4: Simplify right side
    4,247.80x = 16,150,737.75
  5. Step 5: Solve for x
    x = 16,150,737.75/4,247.80
  6. Step 6: Final answer
    x = 3,802.14

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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.