Home / 5,208.44-7,815.69-2,088.72

Finding the Fourth Proportional to 5,208.44, 7,815.69 and 2,088.72

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Solution

The fourth proportional to 5,208.44, 7,815.69 and 2,088.72 is: 3,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.44 : 7,815.69 = 2,088.72 : x
  2. Step 2: Convert to fraction form
    5,208.44/7,815.69 = 2,088.72/x
  3. Step 3: Cross multiply
    5,208.44x = 7,815.69 × 2,088.72
  4. Step 4: Simplify right side
    5,208.44x = 16,324,788.02
  5. Step 5: Solve for x
    x = 16,324,788.02/5,208.44
  6. Step 6: Final answer
    x = 3,134.30

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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.