Home / 9,815.10-14,722.92-3,971.22

Finding the Fourth Proportional to 9,815.10, 14,722.92 and 3,971.22

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Solution

The fourth proportional to 9,815.10, 14,722.92 and 3,971.22 is: 5,956.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.10 : 14,722.92 = 3,971.22 : x
  2. Step 2: Convert to fraction form
    9,815.10/14,722.92 = 3,971.22/x
  3. Step 3: Cross multiply
    9,815.10x = 14,722.92 × 3,971.22
  4. Step 4: Simplify right side
    9,815.10x = 58,467,954.36
  5. Step 5: Solve for x
    x = 58,467,954.36/9,815.10
  6. Step 6: Final answer
    x = 5,956.94

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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.