Home / 5,252.31-7,247.97-3,012.66

Finding the Fourth Proportional to 5,252.31, 7,247.97 and 3,012.66

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Solution

The fourth proportional to 5,252.31, 7,247.97 and 3,012.66 is: 4,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.31 : 7,247.97 = 3,012.66 : x
  2. Step 2: Convert to fraction form
    5,252.31/7,247.97 = 3,012.66/x
  3. Step 3: Cross multiply
    5,252.31x = 7,247.97 × 3,012.66
  4. Step 4: Simplify right side
    5,252.31x = 21,835,669.30
  5. Step 5: Solve for x
    x = 21,835,669.30/5,252.31
  6. Step 6: Final answer
    x = 4,157.35

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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.