Home / 6,834.75-10,245.12-5,187.81

Finding the Fourth Proportional to 6,834.75, 10,245.12 and 5,187.81

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Solution

The fourth proportional to 6,834.75, 10,245.12 and 5,187.81 is: 7,776.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,834.75 : 10,245.12 = 5,187.81 : x
  2. Step 2: Convert to fraction form
    6,834.75/10,245.12 = 5,187.81/x
  3. Step 3: Cross multiply
    6,834.75x = 10,245.12 × 5,187.81
  4. Step 4: Simplify right side
    6,834.75x = 53,149,754.95
  5. Step 5: Solve for x
    x = 53,149,754.95/6,834.75
  6. Step 6: Final answer
    x = 7,776.41

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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.