Home / 8,110.14-12,154.61-4,158.05

Finding the Fourth Proportional to 8,110.14, 12,154.61 and 4,158.05

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Solution

The fourth proportional to 8,110.14, 12,154.61 and 4,158.05 is: 6,231.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.14 : 12,154.61 = 4,158.05 : x
  2. Step 2: Convert to fraction form
    8,110.14/12,154.61 = 4,158.05/x
  3. Step 3: Cross multiply
    8,110.14x = 12,154.61 × 4,158.05
  4. Step 4: Simplify right side
    8,110.14x = 50,539,394.55
  5. Step 5: Solve for x
    x = 50,539,394.55/8,110.14
  6. Step 6: Final answer
    x = 6,231.63

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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.