Home / 7,957.96-11,937.31-2,621.47

Finding the Fourth Proportional to 7,957.96, 11,937.31 and 2,621.47

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Solution

The fourth proportional to 7,957.96, 11,937.31 and 2,621.47 is: 3,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.96 : 11,937.31 = 2,621.47 : x
  2. Step 2: Convert to fraction form
    7,957.96/11,937.31 = 2,621.47/x
  3. Step 3: Cross multiply
    7,957.96x = 11,937.31 × 2,621.47
  4. Step 4: Simplify right side
    7,957.96x = 31,293,300.05
  5. Step 5: Solve for x
    x = 31,293,300.05/7,957.96
  6. Step 6: Final answer
    x = 3,932.33

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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.