Home / 6,922.40-10,381.04-2,538.72

Finding the Fourth Proportional to 6,922.40, 10,381.04 and 2,538.72

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Solution

The fourth proportional to 6,922.40, 10,381.04 and 2,538.72 is: 3,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.40 : 10,381.04 = 2,538.72 : x
  2. Step 2: Convert to fraction form
    6,922.40/10,381.04 = 2,538.72/x
  3. Step 3: Cross multiply
    6,922.40x = 10,381.04 × 2,538.72
  4. Step 4: Simplify right side
    6,922.40x = 26,354,553.87
  5. Step 5: Solve for x
    x = 26,354,553.87/6,922.40
  6. Step 6: Final answer
    x = 3,807.14

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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.