Home / 4,890.06-6,747.57-2,793.78

Finding the Fourth Proportional to 4,890.06, 6,747.57 and 2,793.78

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Solution

The fourth proportional to 4,890.06, 6,747.57 and 2,793.78 is: 3,855.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.06 : 6,747.57 = 2,793.78 : x
  2. Step 2: Convert to fraction form
    4,890.06/6,747.57 = 2,793.78/x
  3. Step 3: Cross multiply
    4,890.06x = 6,747.57 × 2,793.78
  4. Step 4: Simplify right side
    4,890.06x = 18,851,226.11
  5. Step 5: Solve for x
    x = 18,851,226.11/4,890.06
  6. Step 6: Final answer
    x = 3,855.01

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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.