Home / 7,865.88-11,802.70-3,706.26

Finding the Fourth Proportional to 7,865.88, 11,802.70 and 3,706.26

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Solution

The fourth proportional to 7,865.88, 11,802.70 and 3,706.26 is: 5,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.88 : 11,802.70 = 3,706.26 : x
  2. Step 2: Convert to fraction form
    7,865.88/11,802.70 = 3,706.26/x
  3. Step 3: Cross multiply
    7,865.88x = 11,802.70 × 3,706.26
  4. Step 4: Simplify right side
    7,865.88x = 43,743,874.90
  5. Step 5: Solve for x
    x = 43,743,874.90/7,865.88
  6. Step 6: Final answer
    x = 5,561.22

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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.