Home / 5,005.74-6,908.30-2,767.71

Finding the Fourth Proportional to 5,005.74, 6,908.30 and 2,767.71

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Solution

The fourth proportional to 5,005.74, 6,908.30 and 2,767.71 is: 3,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.74 : 6,908.30 = 2,767.71 : x
  2. Step 2: Convert to fraction form
    5,005.74/6,908.30 = 2,767.71/x
  3. Step 3: Cross multiply
    5,005.74x = 6,908.30 × 2,767.71
  4. Step 4: Simplify right side
    5,005.74x = 19,120,170.99
  5. Step 5: Solve for x
    x = 19,120,170.99/5,005.74
  6. Step 6: Final answer
    x = 3,819.65

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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.