Home / 5,110.22-7,666.22-1,991.93

Finding the Fourth Proportional to 5,110.22, 7,666.22 and 1,991.93

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Solution

The fourth proportional to 5,110.22, 7,666.22 and 1,991.93 is: 2,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.22 : 7,666.22 = 1,991.93 : x
  2. Step 2: Convert to fraction form
    5,110.22/7,666.22 = 1,991.93/x
  3. Step 3: Cross multiply
    5,110.22x = 7,666.22 × 1,991.93
  4. Step 4: Simplify right side
    5,110.22x = 15,270,540.25
  5. Step 5: Solve for x
    x = 15,270,540.25/5,110.22
  6. Step 6: Final answer
    x = 2,988.23

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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.