Home / 9,211.62-13,820.13-2,971.52

Finding the Fourth Proportional to 9,211.62, 13,820.13 and 2,971.52

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Solution

The fourth proportional to 9,211.62, 13,820.13 and 2,971.52 is: 4,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.62 : 13,820.13 = 2,971.52 : x
  2. Step 2: Convert to fraction form
    9,211.62/13,820.13 = 2,971.52/x
  3. Step 3: Cross multiply
    9,211.62x = 13,820.13 × 2,971.52
  4. Step 4: Simplify right side
    9,211.62x = 41,066,723.60
  5. Step 5: Solve for x
    x = 41,066,723.60/9,211.62
  6. Step 6: Final answer
    x = 4,458.14

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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.