Home / 6,758.43-10,130.79-2,812.56

Finding the Fourth Proportional to 6,758.43, 10,130.79 and 2,812.56

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Solution

The fourth proportional to 6,758.43, 10,130.79 and 2,812.56 is: 4,215.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,758.43 : 10,130.79 = 2,812.56 : x
  2. Step 2: Convert to fraction form
    6,758.43/10,130.79 = 2,812.56/x
  3. Step 3: Cross multiply
    6,758.43x = 10,130.79 × 2,812.56
  4. Step 4: Simplify right side
    6,758.43x = 28,493,454.72
  5. Step 5: Solve for x
    x = 28,493,454.72/6,758.43
  6. Step 6: Final answer
    x = 4,215.99

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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.