Home / 7,715.03-11,572.50-2,168.34

Finding the Fourth Proportional to 7,715.03, 11,572.50 and 2,168.34

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Solution

The fourth proportional to 7,715.03, 11,572.50 and 2,168.34 is: 3,252.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.03 : 11,572.50 = 2,168.34 : x
  2. Step 2: Convert to fraction form
    7,715.03/11,572.50 = 2,168.34/x
  3. Step 3: Cross multiply
    7,715.03x = 11,572.50 × 2,168.34
  4. Step 4: Simplify right side
    7,715.03x = 25,093,149.00
  5. Step 5: Solve for x
    x = 25,093,149.00/7,715.03
  6. Step 6: Final answer
    x = 3,252.50

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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.