Home / 7,707.87-11,563.01-2,512.53

Finding the Fourth Proportional to 7,707.87, 11,563.01 and 2,512.53

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Solution

The fourth proportional to 7,707.87, 11,563.01 and 2,512.53 is: 3,769.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.87 : 11,563.01 = 2,512.53 : x
  2. Step 2: Convert to fraction form
    7,707.87/11,563.01 = 2,512.53/x
  3. Step 3: Cross multiply
    7,707.87x = 11,563.01 × 2,512.53
  4. Step 4: Simplify right side
    7,707.87x = 29,052,396.95
  5. Step 5: Solve for x
    x = 29,052,396.95/7,707.87
  6. Step 6: Final answer
    x = 3,769.19

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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.