Home / 4,857.92-7,294.16-2,780.27

Finding the Fourth Proportional to 4,857.92, 7,294.16 and 2,780.27

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Solution

The fourth proportional to 4,857.92, 7,294.16 and 2,780.27 is: 4,174.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.92 : 7,294.16 = 2,780.27 : x
  2. Step 2: Convert to fraction form
    4,857.92/7,294.16 = 2,780.27/x
  3. Step 3: Cross multiply
    4,857.92x = 7,294.16 × 2,780.27
  4. Step 4: Simplify right side
    4,857.92x = 20,279,704.70
  5. Step 5: Solve for x
    x = 20,279,704.70/4,857.92
  6. Step 6: Final answer
    x = 4,174.57

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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.