Home / 5,046.96-6,964.38-2,808.66

Finding the Fourth Proportional to 5,046.96, 6,964.38 and 2,808.66

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Solution

The fourth proportional to 5,046.96, 6,964.38 and 2,808.66 is: 3,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,046.96 : 6,964.38 = 2,808.66 : x
  2. Step 2: Convert to fraction form
    5,046.96/6,964.38 = 2,808.66/x
  3. Step 3: Cross multiply
    5,046.96x = 6,964.38 × 2,808.66
  4. Step 4: Simplify right side
    5,046.96x = 19,560,575.53
  5. Step 5: Solve for x
    x = 19,560,575.53/5,046.96
  6. Step 6: Final answer
    x = 3,875.71

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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.