Home / 10,720.22-16,077.89-3,794.72

Finding the Fourth Proportional to 10,720.22, 16,077.89 and 3,794.72

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Solution

The fourth proportional to 10,720.22, 16,077.89 and 3,794.72 is: 5,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.22 : 16,077.89 = 3,794.72 : x
  2. Step 2: Convert to fraction form
    10,720.22/16,077.89 = 3,794.72/x
  3. Step 3: Cross multiply
    10,720.22x = 16,077.89 × 3,794.72
  4. Step 4: Simplify right side
    10,720.22x = 61,011,019.84
  5. Step 5: Solve for x
    x = 61,011,019.84/10,720.22
  6. Step 6: Final answer
    x = 5,691.21

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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.