Home / 7,270.36-10,906.98-2,653.72

Finding the Fourth Proportional to 7,270.36, 10,906.98 and 2,653.72

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Solution

The fourth proportional to 7,270.36, 10,906.98 and 2,653.72 is: 3,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.36 : 10,906.98 = 2,653.72 : x
  2. Step 2: Convert to fraction form
    7,270.36/10,906.98 = 2,653.72/x
  3. Step 3: Cross multiply
    7,270.36x = 10,906.98 × 2,653.72
  4. Step 4: Simplify right side
    7,270.36x = 28,944,070.97
  5. Step 5: Solve for x
    x = 28,944,070.97/7,270.36
  6. Step 6: Final answer
    x = 3,981.11

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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.