Home / 7,132.09-10,696.92-1,936.75

Finding the Fourth Proportional to 7,132.09, 10,696.92 and 1,936.75

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Solution

The fourth proportional to 7,132.09, 10,696.92 and 1,936.75 is: 2,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.09 : 10,696.92 = 1,936.75 : x
  2. Step 2: Convert to fraction form
    7,132.09/10,696.92 = 1,936.75/x
  3. Step 3: Cross multiply
    7,132.09x = 10,696.92 × 1,936.75
  4. Step 4: Simplify right side
    7,132.09x = 20,717,259.81
  5. Step 5: Solve for x
    x = 20,717,259.81/7,132.09
  6. Step 6: Final answer
    x = 2,904.80

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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.