Home / 5,285.81-7,937.79-4,694.18

Finding the Fourth Proportional to 5,285.81, 7,937.79 and 4,694.18

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Solution

The fourth proportional to 5,285.81, 7,937.79 and 4,694.18 is: 7,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.81 : 7,937.79 = 4,694.18 : x
  2. Step 2: Convert to fraction form
    5,285.81/7,937.79 = 4,694.18/x
  3. Step 3: Cross multiply
    5,285.81x = 7,937.79 × 4,694.18
  4. Step 4: Simplify right side
    5,285.81x = 37,261,375.37
  5. Step 5: Solve for x
    x = 37,261,375.37/5,285.81
  6. Step 6: Final answer
    x = 7,049.33

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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.