Home / 7,272.57-10,908.63-2,078.46

Finding the Fourth Proportional to 7,272.57, 10,908.63 and 2,078.46

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Solution

The fourth proportional to 7,272.57, 10,908.63 and 2,078.46 is: 3,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.57 : 10,908.63 = 2,078.46 : x
  2. Step 2: Convert to fraction form
    7,272.57/10,908.63 = 2,078.46/x
  3. Step 3: Cross multiply
    7,272.57x = 10,908.63 × 2,078.46
  4. Step 4: Simplify right side
    7,272.57x = 22,673,151.11
  5. Step 5: Solve for x
    x = 22,673,151.11/7,272.57
  6. Step 6: Final answer
    x = 3,117.63

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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.