Home / 7,679.51-11,524.55-2,681.91

Finding the Fourth Proportional to 7,679.51, 11,524.55 and 2,681.91

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Solution

The fourth proportional to 7,679.51, 11,524.55 and 2,681.91 is: 4,024.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.51 : 11,524.55 = 2,681.91 : x
  2. Step 2: Convert to fraction form
    7,679.51/11,524.55 = 2,681.91/x
  3. Step 3: Cross multiply
    7,679.51x = 11,524.55 × 2,681.91
  4. Step 4: Simplify right side
    7,679.51x = 30,907,805.89
  5. Step 5: Solve for x
    x = 30,907,805.89/7,679.51
  6. Step 6: Final answer
    x = 4,024.71

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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.