Home / 7,192.26-10,772.78-3,486.71

Finding the Fourth Proportional to 7,192.26, 10,772.78 and 3,486.71

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Solution

The fourth proportional to 7,192.26, 10,772.78 and 3,486.71 is: 5,222.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.26 : 10,772.78 = 3,486.71 : x
  2. Step 2: Convert to fraction form
    7,192.26/10,772.78 = 3,486.71/x
  3. Step 3: Cross multiply
    7,192.26x = 10,772.78 × 3,486.71
  4. Step 4: Simplify right side
    7,192.26x = 37,561,569.25
  5. Step 5: Solve for x
    x = 37,561,569.25/7,192.26
  6. Step 6: Final answer
    x = 5,222.50

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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.