Home / 9,211.34-13,819.70-2,971.23

Finding the Fourth Proportional to 9,211.34, 13,819.70 and 2,971.23

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Solution

The fourth proportional to 9,211.34, 13,819.70 and 2,971.23 is: 4,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.34 : 13,819.70 = 2,971.23 : x
  2. Step 2: Convert to fraction form
    9,211.34/13,819.70 = 2,971.23/x
  3. Step 3: Cross multiply
    9,211.34x = 13,819.70 × 2,971.23
  4. Step 4: Simplify right side
    9,211.34x = 41,061,462.84
  5. Step 5: Solve for x
    x = 41,061,462.84/9,211.34
  6. Step 6: Final answer
    x = 4,457.71

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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.