Home / 7,221.06-10,827.74-3,322.13

Finding the Fourth Proportional to 7,221.06, 10,827.74 and 3,322.13

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Solution

The fourth proportional to 7,221.06, 10,827.74 and 3,322.13 is: 4,981.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.06 : 10,827.74 = 3,322.13 : x
  2. Step 2: Convert to fraction form
    7,221.06/10,827.74 = 3,322.13/x
  3. Step 3: Cross multiply
    7,221.06x = 10,827.74 × 3,322.13
  4. Step 4: Simplify right side
    7,221.06x = 35,971,114.05
  5. Step 5: Solve for x
    x = 35,971,114.05/7,221.06
  6. Step 6: Final answer
    x = 4,981.42

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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.