Home / 7,837.81-11,757.47-2,291.03

Finding the Fourth Proportional to 7,837.81, 11,757.47 and 2,291.03

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Solution

The fourth proportional to 7,837.81, 11,757.47 and 2,291.03 is: 3,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.81 : 11,757.47 = 2,291.03 : x
  2. Step 2: Convert to fraction form
    7,837.81/11,757.47 = 2,291.03/x
  3. Step 3: Cross multiply
    7,837.81x = 11,757.47 × 2,291.03
  4. Step 4: Simplify right side
    7,837.81x = 26,936,692.83
  5. Step 5: Solve for x
    x = 26,936,692.83/7,837.81
  6. Step 6: Final answer
    x = 3,436.76

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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.