Home / 7,637.42-11,456.67-2,091.17

Finding the Fourth Proportional to 7,637.42, 11,456.67 and 2,091.17

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Solution

The fourth proportional to 7,637.42, 11,456.67 and 2,091.17 is: 3,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.42 : 11,456.67 = 2,091.17 : x
  2. Step 2: Convert to fraction form
    7,637.42/11,456.67 = 2,091.17/x
  3. Step 3: Cross multiply
    7,637.42x = 11,456.67 × 2,091.17
  4. Step 4: Simplify right side
    7,637.42x = 23,957,844.60
  5. Step 5: Solve for x
    x = 23,957,844.60/7,637.42
  6. Step 6: Final answer
    x = 3,136.90

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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.