Home / 7,537.64-11,306.99-1,990.92

Finding the Fourth Proportional to 7,537.64, 11,306.99 and 1,990.92

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Solution

The fourth proportional to 7,537.64, 11,306.99 and 1,990.92 is: 2,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.64 : 11,306.99 = 1,990.92 : x
  2. Step 2: Convert to fraction form
    7,537.64/11,306.99 = 1,990.92/x
  3. Step 3: Cross multiply
    7,537.64x = 11,306.99 × 1,990.92
  4. Step 4: Simplify right side
    7,537.64x = 22,511,345.78
  5. Step 5: Solve for x
    x = 22,511,345.78/7,537.64
  6. Step 6: Final answer
    x = 2,986.53

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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.