Home / 5,247.73-7,864.57-3,854.53

Finding the Fourth Proportional to 5,247.73, 7,864.57 and 3,854.53

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Solution

The fourth proportional to 5,247.73, 7,864.57 and 3,854.53 is: 5,776.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.73 : 7,864.57 = 3,854.53 : x
  2. Step 2: Convert to fraction form
    5,247.73/7,864.57 = 3,854.53/x
  3. Step 3: Cross multiply
    5,247.73x = 7,864.57 × 3,854.53
  4. Step 4: Simplify right side
    5,247.73x = 30,314,221.00
  5. Step 5: Solve for x
    x = 30,314,221.00/5,247.73
  6. Step 6: Final answer
    x = 5,776.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.