Home / 9,042.91-13,568.38-4,878.09

Finding the Fourth Proportional to 9,042.91, 13,568.38 and 4,878.09

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Solution

The fourth proportional to 9,042.91, 13,568.38 and 4,878.09 is: 7,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042.91 : 13,568.38 = 4,878.09 : x
  2. Step 2: Convert to fraction form
    9,042.91/13,568.38 = 4,878.09/x
  3. Step 3: Cross multiply
    9,042.91x = 13,568.38 × 4,878.09
  4. Step 4: Simplify right side
    9,042.91x = 66,187,766.60
  5. Step 5: Solve for x
    x = 66,187,766.60/9,042.91
  6. Step 6: Final answer
    x = 7,319.30

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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.