Home / 4,747.30-6,550.71-2,858.85

Finding the Fourth Proportional to 4,747.30, 6,550.71 and 2,858.85

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Solution

The fourth proportional to 4,747.30, 6,550.71 and 2,858.85 is: 3,944.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.30 : 6,550.71 = 2,858.85 : x
  2. Step 2: Convert to fraction form
    4,747.30/6,550.71 = 2,858.85/x
  3. Step 3: Cross multiply
    4,747.30x = 6,550.71 × 2,858.85
  4. Step 4: Simplify right side
    4,747.30x = 18,727,486.56
  5. Step 5: Solve for x
    x = 18,727,486.56/4,747.30
  6. Step 6: Final answer
    x = 3,944.87

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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.