Home / 7,824.28-11,738.18-2,630

Finding the Fourth Proportional to 7,824.28, 11,738.18 and 2,630

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Solution

The fourth proportional to 7,824.28, 11,738.18 and 2,630 is: 3,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.28 : 11,738.18 = 2,630 : x
  2. Step 2: Convert to fraction form
    7,824.28/11,738.18 = 2,630/x
  3. Step 3: Cross multiply
    7,824.28x = 11,738.18 × 2,630
  4. Step 4: Simplify right side
    7,824.28x = 30,871,413.40
  5. Step 5: Solve for x
    x = 30,871,413.40/7,824.28
  6. Step 6: Final answer
    x = 3,945.59

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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.