Home / 4,932-7,400.30-2,158.31

Finding the Fourth Proportional to 4,932, 7,400.30 and 2,158.31

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Solution

The fourth proportional to 4,932, 7,400.30 and 2,158.31 is: 3,238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932 : 7,400.30 = 2,158.31 : x
  2. Step 2: Convert to fraction form
    4,932/7,400.30 = 2,158.31/x
  3. Step 3: Cross multiply
    4,932x = 7,400.30 × 2,158.31
  4. Step 4: Simplify right side
    4,932x = 15,972,093.70
  5. Step 5: Solve for x
    x = 15,972,093.70/4,932
  6. Step 6: Final answer
    x = 3,238.46

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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.