Home / 5,410.35-8,115.62-1,712.61

Finding the Fourth Proportional to 5,410.35, 8,115.62 and 1,712.61

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Solution

The fourth proportional to 5,410.35, 8,115.62 and 1,712.61 is: 2,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.35 : 8,115.62 = 1,712.61 : x
  2. Step 2: Convert to fraction form
    5,410.35/8,115.62 = 1,712.61/x
  3. Step 3: Cross multiply
    5,410.35x = 8,115.62 × 1,712.61
  4. Step 4: Simplify right side
    5,410.35x = 13,898,883.41
  5. Step 5: Solve for x
    x = 13,898,883.41/5,410.35
  6. Step 6: Final answer
    x = 2,568.94

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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.