Home / 5,410.75-8,109.98-2,288.81

Finding the Fourth Proportional to 5,410.75, 8,109.98 and 2,288.81

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Solution

The fourth proportional to 5,410.75, 8,109.98 and 2,288.81 is: 3,430.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.75 : 8,109.98 = 2,288.81 : x
  2. Step 2: Convert to fraction form
    5,410.75/8,109.98 = 2,288.81/x
  3. Step 3: Cross multiply
    5,410.75x = 8,109.98 × 2,288.81
  4. Step 4: Simplify right side
    5,410.75x = 18,562,181.74
  5. Step 5: Solve for x
    x = 18,562,181.74/5,410.75
  6. Step 6: Final answer
    x = 3,430.61

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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.