Home / 4,478.68-6,179.70-2,711.08

Finding the Fourth Proportional to 4,478.68, 6,179.70 and 2,711.08

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Solution

The fourth proportional to 4,478.68, 6,179.70 and 2,711.08 is: 3,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.68 : 6,179.70 = 2,711.08 : x
  2. Step 2: Convert to fraction form
    4,478.68/6,179.70 = 2,711.08/x
  3. Step 3: Cross multiply
    4,478.68x = 6,179.70 × 2,711.08
  4. Step 4: Simplify right side
    4,478.68x = 16,753,661.08
  5. Step 5: Solve for x
    x = 16,753,661.08/4,478.68
  6. Step 6: Final answer
    x = 3,740.76

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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.