Home / 5,410.68-8,115.32-2,291.92

Finding the Fourth Proportional to 5,410.68, 8,115.32 and 2,291.92

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Solution

The fourth proportional to 5,410.68, 8,115.32 and 2,291.92 is: 3,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.68 : 8,115.32 = 2,291.92 : x
  2. Step 2: Convert to fraction form
    5,410.68/8,115.32 = 2,291.92/x
  3. Step 3: Cross multiply
    5,410.68x = 8,115.32 × 2,291.92
  4. Step 4: Simplify right side
    5,410.68x = 18,599,664.21
  5. Step 5: Solve for x
    x = 18,599,664.21/5,410.68
  6. Step 6: Final answer
    x = 3,437.58

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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.