Home / 9,081.20-13,626.03-5,390.69

Finding the Fourth Proportional to 9,081.20, 13,626.03 and 5,390.69

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Solution

The fourth proportional to 9,081.20, 13,626.03 and 5,390.69 is: 8,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.20 : 13,626.03 = 5,390.69 : x
  2. Step 2: Convert to fraction form
    9,081.20/13,626.03 = 5,390.69/x
  3. Step 3: Cross multiply
    9,081.20x = 13,626.03 × 5,390.69
  4. Step 4: Simplify right side
    9,081.20x = 73,453,703.66
  5. Step 5: Solve for x
    x = 73,453,703.66/9,081.20
  6. Step 6: Final answer
    x = 8,088.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.