Home / 5,131.06-7,696.59-1,235.47

Finding the Fourth Proportional to 5,131.06, 7,696.59 and 1,235.47

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Solution

The fourth proportional to 5,131.06, 7,696.59 and 1,235.47 is: 1,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.06 : 7,696.59 = 1,235.47 : x
  2. Step 2: Convert to fraction form
    5,131.06/7,696.59 = 1,235.47/x
  3. Step 3: Cross multiply
    5,131.06x = 7,696.59 × 1,235.47
  4. Step 4: Simplify right side
    5,131.06x = 9,508,906.05
  5. Step 5: Solve for x
    x = 9,508,906.05/5,131.06
  6. Step 6: Final answer
    x = 1,853.21

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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.