Home / 9,211.35-13,819.01-2,971.72

Finding the Fourth Proportional to 9,211.35, 13,819.01 and 2,971.72

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Solution

The fourth proportional to 9,211.35, 13,819.01 and 2,971.72 is: 4,458.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.35 : 13,819.01 = 2,971.72 : x
  2. Step 2: Convert to fraction form
    9,211.35/13,819.01 = 2,971.72/x
  3. Step 3: Cross multiply
    9,211.35x = 13,819.01 × 2,971.72
  4. Step 4: Simplify right side
    9,211.35x = 41,066,230.81
  5. Step 5: Solve for x
    x = 41,066,230.81/9,211.35
  6. Step 6: Final answer
    x = 4,458.22

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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.