Home / 7,272.72-10,900.71-3,110.13

Finding the Fourth Proportional to 7,272.72, 10,900.71 and 3,110.13

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Solution

The fourth proportional to 7,272.72, 10,900.71 and 3,110.13 is: 4,661.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.72 : 10,900.71 = 3,110.13 : x
  2. Step 2: Convert to fraction form
    7,272.72/10,900.71 = 3,110.13/x
  3. Step 3: Cross multiply
    7,272.72x = 10,900.71 × 3,110.13
  4. Step 4: Simplify right side
    7,272.72x = 33,902,625.19
  5. Step 5: Solve for x
    x = 33,902,625.19/7,272.72
  6. Step 6: Final answer
    x = 4,661.62

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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.