Home / 7,741.77-11,613.20-3,359.49

Finding the Fourth Proportional to 7,741.77, 11,613.20 and 3,359.49

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Solution

The fourth proportional to 7,741.77, 11,613.20 and 3,359.49 is: 5,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.77 : 11,613.20 = 3,359.49 : x
  2. Step 2: Convert to fraction form
    7,741.77/11,613.20 = 3,359.49/x
  3. Step 3: Cross multiply
    7,741.77x = 11,613.20 × 3,359.49
  4. Step 4: Simplify right side
    7,741.77x = 39,014,412.47
  5. Step 5: Solve for x
    x = 39,014,412.47/7,741.77
  6. Step 6: Final answer
    x = 5,039.47

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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.