Home / 5,459.11-8,187.87-2,685.04

Finding the Fourth Proportional to 5,459.11, 8,187.87 and 2,685.04

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Solution

The fourth proportional to 5,459.11, 8,187.87 and 2,685.04 is: 4,027.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.11 : 8,187.87 = 2,685.04 : x
  2. Step 2: Convert to fraction form
    5,459.11/8,187.87 = 2,685.04/x
  3. Step 3: Cross multiply
    5,459.11x = 8,187.87 × 2,685.04
  4. Step 4: Simplify right side
    5,459.11x = 21,984,745.04
  5. Step 5: Solve for x
    x = 21,984,745.04/5,459.11
  6. Step 6: Final answer
    x = 4,027.17

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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.