Home / 7,834.11-11,723.70-5,615.38

Finding the Fourth Proportional to 7,834.11, 11,723.70 and 5,615.38

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Solution

The fourth proportional to 7,834.11, 11,723.70 and 5,615.38 is: 8,403.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.11 : 11,723.70 = 5,615.38 : x
  2. Step 2: Convert to fraction form
    7,834.11/11,723.70 = 5,615.38/x
  3. Step 3: Cross multiply
    7,834.11x = 11,723.70 × 5,615.38
  4. Step 4: Simplify right side
    7,834.11x = 65,833,066.22
  5. Step 5: Solve for x
    x = 65,833,066.22/7,834.11
  6. Step 6: Final answer
    x = 8,403.39

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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.