Home / 6,758.28-10,137.35-2,141.28

Finding the Fourth Proportional to 6,758.28, 10,137.35 and 2,141.28

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Solution

The fourth proportional to 6,758.28, 10,137.35 and 2,141.28 is: 3,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,758.28 : 10,137.35 = 2,141.28 : x
  2. Step 2: Convert to fraction form
    6,758.28/10,137.35 = 2,141.28/x
  3. Step 3: Cross multiply
    6,758.28x = 10,137.35 × 2,141.28
  4. Step 4: Simplify right side
    6,758.28x = 21,706,904.81
  5. Step 5: Solve for x
    x = 21,706,904.81/6,758.28
  6. Step 6: Final answer
    x = 3,211.90

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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.