Home / 6,813.29-9,402.60-4,161.89

Finding the Fourth Proportional to 6,813.29, 9,402.60 and 4,161.89

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Solution

The fourth proportional to 6,813.29, 9,402.60 and 4,161.89 is: 5,743.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.29 : 9,402.60 = 4,161.89 : x
  2. Step 2: Convert to fraction form
    6,813.29/9,402.60 = 4,161.89/x
  3. Step 3: Cross multiply
    6,813.29x = 9,402.60 × 4,161.89
  4. Step 4: Simplify right side
    6,813.29x = 39,132,519.09
  5. Step 5: Solve for x
    x = 39,132,519.09/6,813.29
  6. Step 6: Final answer
    x = 5,743.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.