Home / 4,239.69-6,359.46-1,161.69

Finding the Fourth Proportional to 4,239.69, 6,359.46 and 1,161.69

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Solution

The fourth proportional to 4,239.69, 6,359.46 and 1,161.69 is: 1,742.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.69 : 6,359.46 = 1,161.69 : x
  2. Step 2: Convert to fraction form
    4,239.69/6,359.46 = 1,161.69/x
  3. Step 3: Cross multiply
    4,239.69x = 6,359.46 × 1,161.69
  4. Step 4: Simplify right side
    4,239.69x = 7,387,721.09
  5. Step 5: Solve for x
    x = 7,387,721.09/4,239.69
  6. Step 6: Final answer
    x = 1,742.51

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Similar ratio
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1.5x scale

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.