Home / 6,910.11-10,367.75-4,138.74

Finding the Fourth Proportional to 6,910.11, 10,367.75 and 4,138.74

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Solution

The fourth proportional to 6,910.11, 10,367.75 and 4,138.74 is: 6,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.11 : 10,367.75 = 4,138.74 : x
  2. Step 2: Convert to fraction form
    6,910.11/10,367.75 = 4,138.74/x
  3. Step 3: Cross multiply
    6,910.11x = 10,367.75 × 4,138.74
  4. Step 4: Simplify right side
    6,910.11x = 42,909,421.64
  5. Step 5: Solve for x
    x = 42,909,421.64/6,910.11
  6. Step 6: Final answer
    x = 6,209.66

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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.