Home / 6,921.06-10,381.30-3,222.02

Finding the Fourth Proportional to 6,921.06, 10,381.30 and 3,222.02

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Solution

The fourth proportional to 6,921.06, 10,381.30 and 3,222.02 is: 4,832.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.06 : 10,381.30 = 3,222.02 : x
  2. Step 2: Convert to fraction form
    6,921.06/10,381.30 = 3,222.02/x
  3. Step 3: Cross multiply
    6,921.06x = 10,381.30 × 3,222.02
  4. Step 4: Simplify right side
    6,921.06x = 33,448,756.23
  5. Step 5: Solve for x
    x = 33,448,756.23/6,921.06
  6. Step 6: Final answer
    x = 4,832.89

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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.