Home / 9,039.83-13,558.03-2,798.90

Finding the Fourth Proportional to 9,039.83, 13,558.03 and 2,798.90

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Solution

The fourth proportional to 9,039.83, 13,558.03 and 2,798.90 is: 4,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.83 : 13,558.03 = 2,798.90 : x
  2. Step 2: Convert to fraction form
    9,039.83/13,558.03 = 2,798.90/x
  3. Step 3: Cross multiply
    9,039.83x = 13,558.03 × 2,798.90
  4. Step 4: Simplify right side
    9,039.83x = 37,947,638.23
  5. Step 5: Solve for x
    x = 37,947,638.23/9,039.83
  6. Step 6: Final answer
    x = 4,197.83

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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.