Home / 7,151.91-10,727.73-2,221.44

Finding the Fourth Proportional to 7,151.91, 10,727.73 and 2,221.44

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Solution

The fourth proportional to 7,151.91, 10,727.73 and 2,221.44 is: 3,332.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.91 : 10,727.73 = 2,221.44 : x
  2. Step 2: Convert to fraction form
    7,151.91/10,727.73 = 2,221.44/x
  3. Step 3: Cross multiply
    7,151.91x = 10,727.73 × 2,221.44
  4. Step 4: Simplify right side
    7,151.91x = 23,831,008.53
  5. Step 5: Solve for x
    x = 23,831,008.53/7,151.91
  6. Step 6: Final answer
    x = 3,332.12

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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.