Home / 9,039.14-13,558.49-2,798.90

Finding the Fourth Proportional to 9,039.14, 13,558.49 and 2,798.90

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Solution

The fourth proportional to 9,039.14, 13,558.49 and 2,798.90 is: 4,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.14 : 13,558.49 = 2,798.90 : x
  2. Step 2: Convert to fraction form
    9,039.14/13,558.49 = 2,798.90/x
  3. Step 3: Cross multiply
    9,039.14x = 13,558.49 × 2,798.90
  4. Step 4: Simplify right side
    9,039.14x = 37,948,913.48
  5. Step 5: Solve for x
    x = 37,948,913.48/9,039.14
  6. Step 6: Final answer
    x = 4,198.29

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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.