Home / 7,892.28-11,839.50-2,698.56

Finding the Fourth Proportional to 7,892.28, 11,839.50 and 2,698.56

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Solution

The fourth proportional to 7,892.28, 11,839.50 and 2,698.56 is: 4,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892.28 : 11,839.50 = 2,698.56 : x
  2. Step 2: Convert to fraction form
    7,892.28/11,839.50 = 2,698.56/x
  3. Step 3: Cross multiply
    7,892.28x = 11,839.50 × 2,698.56
  4. Step 4: Simplify right side
    7,892.28x = 31,949,601.12
  5. Step 5: Solve for x
    x = 31,949,601.12/7,892.28
  6. Step 6: Final answer
    x = 4,048.21

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1.5x scale

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.