Home / 6,823.78-10,231.52-2,658.91

Finding the Fourth Proportional to 6,823.78, 10,231.52 and 2,658.91

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Solution

The fourth proportional to 6,823.78, 10,231.52 and 2,658.91 is: 3,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.78 : 10,231.52 = 2,658.91 : x
  2. Step 2: Convert to fraction form
    6,823.78/10,231.52 = 2,658.91/x
  3. Step 3: Cross multiply
    6,823.78x = 10,231.52 × 2,658.91
  4. Step 4: Simplify right side
    6,823.78x = 27,204,714.32
  5. Step 5: Solve for x
    x = 27,204,714.32/6,823.78
  6. Step 6: Final answer
    x = 3,986.75

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1.5x scale

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.