Home / 6,809.20-9,396-3,824.56

Finding the Fourth Proportional to 6,809.20, 9,396 and 3,824.56

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Solution

The fourth proportional to 6,809.20, 9,396 and 3,824.56 is: 5,277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.20 : 9,396 = 3,824.56 : x
  2. Step 2: Convert to fraction form
    6,809.20/9,396 = 3,824.56/x
  3. Step 3: Cross multiply
    6,809.20x = 9,396 × 3,824.56
  4. Step 4: Simplify right side
    6,809.20x = 35,935,565.76
  5. Step 5: Solve for x
    x = 35,935,565.76/6,809.20
  6. Step 6: Final answer
    x = 5,277.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.