Home / 6,830.78-10,240.61-2,670.03

Finding the Fourth Proportional to 6,830.78, 10,240.61 and 2,670.03

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Solution

The fourth proportional to 6,830.78, 10,240.61 and 2,670.03 is: 4,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,830.78 : 10,240.61 = 2,670.03 : x
  2. Step 2: Convert to fraction form
    6,830.78/10,240.61 = 2,670.03/x
  3. Step 3: Cross multiply
    6,830.78x = 10,240.61 × 2,670.03
  4. Step 4: Simplify right side
    6,830.78x = 27,342,722.57
  5. Step 5: Solve for x
    x = 27,342,722.57/6,830.78
  6. Step 6: Final answer
    x = 4,002.87

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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.