Home / 9,088.20-13,608-5,187.24

Finding the Fourth Proportional to 9,088.20, 13,608 and 5,187.24

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Solution

The fourth proportional to 9,088.20, 13,608 and 5,187.24 is: 7,766.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.20 : 13,608 = 5,187.24 : x
  2. Step 2: Convert to fraction form
    9,088.20/13,608 = 5,187.24/x
  3. Step 3: Cross multiply
    9,088.20x = 13,608 × 5,187.24
  4. Step 4: Simplify right side
    9,088.20x = 70,587,961.92
  5. Step 5: Solve for x
    x = 70,587,961.92/9,088.20
  6. Step 6: Final answer
    x = 7,766.99

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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.