Home / 6,729.24-10,090.47-3,956.79

Finding the Fourth Proportional to 6,729.24, 10,090.47 and 3,956.79

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Solution

The fourth proportional to 6,729.24, 10,090.47 and 3,956.79 is: 5,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.24 : 10,090.47 = 3,956.79 : x
  2. Step 2: Convert to fraction form
    6,729.24/10,090.47 = 3,956.79/x
  3. Step 3: Cross multiply
    6,729.24x = 10,090.47 × 3,956.79
  4. Step 4: Simplify right side
    6,729.24x = 39,925,870.79
  5. Step 5: Solve for x
    x = 39,925,870.79/6,729.24
  6. Step 6: Final answer
    x = 5,933.19

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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.