Home / 7,971.50-11,955.30-2,706.38

Finding the Fourth Proportional to 7,971.50, 11,955.30 and 2,706.38

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Solution

The fourth proportional to 7,971.50, 11,955.30 and 2,706.38 is: 4,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.50 : 11,955.30 = 2,706.38 : x
  2. Step 2: Convert to fraction form
    7,971.50/11,955.30 = 2,706.38/x
  3. Step 3: Cross multiply
    7,971.50x = 11,955.30 × 2,706.38
  4. Step 4: Simplify right side
    7,971.50x = 32,355,584.81
  5. Step 5: Solve for x
    x = 32,355,584.81/7,971.50
  6. Step 6: Final answer
    x = 4,058.91

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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.