Home / 9,046.28-13,571.09-2,805.79

Finding the Fourth Proportional to 9,046.28, 13,571.09 and 2,805.79

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Solution

The fourth proportional to 9,046.28, 13,571.09 and 2,805.79 is: 4,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,046.28 : 13,571.09 = 2,805.79 : x
  2. Step 2: Convert to fraction form
    9,046.28/13,571.09 = 2,805.79/x
  3. Step 3: Cross multiply
    9,046.28x = 13,571.09 × 2,805.79
  4. Step 4: Simplify right side
    9,046.28x = 38,077,632.40
  5. Step 5: Solve for x
    x = 38,077,632.40/9,046.28
  6. Step 6: Final answer
    x = 4,209.20

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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.