Home / 5,410.44-8,109.96-2,289.72

Finding the Fourth Proportional to 5,410.44, 8,109.96 and 2,289.72

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Solution

The fourth proportional to 5,410.44, 8,109.96 and 2,289.72 is: 3,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.44 : 8,109.96 = 2,289.72 : x
  2. Step 2: Convert to fraction form
    5,410.44/8,109.96 = 2,289.72/x
  3. Step 3: Cross multiply
    5,410.44x = 8,109.96 × 2,289.72
  4. Step 4: Simplify right side
    5,410.44x = 18,569,537.61
  5. Step 5: Solve for x
    x = 18,569,537.61/5,410.44
  6. Step 6: Final answer
    x = 3,432.17

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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.