Home / 4,447.71-6,135.92-2,678.30

Finding the Fourth Proportional to 4,447.71, 6,135.92 and 2,678.30

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Solution

The fourth proportional to 4,447.71, 6,135.92 and 2,678.30 is: 3,694.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.71 : 6,135.92 = 2,678.30 : x
  2. Step 2: Convert to fraction form
    4,447.71/6,135.92 = 2,678.30/x
  3. Step 3: Cross multiply
    4,447.71x = 6,135.92 × 2,678.30
  4. Step 4: Simplify right side
    4,447.71x = 16,433,790.46
  5. Step 5: Solve for x
    x = 16,433,790.46/4,447.71
  6. Step 6: Final answer
    x = 3,694.89

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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.