Home / 5,252.67-7,251.80-3,485.79

Finding the Fourth Proportional to 5,252.67, 7,251.80 and 3,485.79

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Solution

The fourth proportional to 5,252.67, 7,251.80 and 3,485.79 is: 4,812.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.67 : 7,251.80 = 3,485.79 : x
  2. Step 2: Convert to fraction form
    5,252.67/7,251.80 = 3,485.79/x
  3. Step 3: Cross multiply
    5,252.67x = 7,251.80 × 3,485.79
  4. Step 4: Simplify right side
    5,252.67x = 25,278,234.49
  5. Step 5: Solve for x
    x = 25,278,234.49/5,252.67
  6. Step 6: Final answer
    x = 4,812.45

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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.