Home / 4,884.55-6,740.36-3,115.97

Finding the Fourth Proportional to 4,884.55, 6,740.36 and 3,115.97

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Solution

The fourth proportional to 4,884.55, 6,740.36 and 3,115.97 is: 4,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884.55 : 6,740.36 = 3,115.97 : x
  2. Step 2: Convert to fraction form
    4,884.55/6,740.36 = 3,115.97/x
  3. Step 3: Cross multiply
    4,884.55x = 6,740.36 × 3,115.97
  4. Step 4: Simplify right side
    4,884.55x = 21,002,764.76
  5. Step 5: Solve for x
    x = 21,002,764.76/4,884.55
  6. Step 6: Final answer
    x = 4,299.83

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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.