Home / 6,429.44-8,874.09-3,777.71

Finding the Fourth Proportional to 6,429.44, 8,874.09 and 3,777.71

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Solution

The fourth proportional to 6,429.44, 8,874.09 and 3,777.71 is: 5,214.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.44 : 8,874.09 = 3,777.71 : x
  2. Step 2: Convert to fraction form
    6,429.44/8,874.09 = 3,777.71/x
  3. Step 3: Cross multiply
    6,429.44x = 8,874.09 × 3,777.71
  4. Step 4: Simplify right side
    6,429.44x = 33,523,694.16
  5. Step 5: Solve for x
    x = 33,523,694.16/6,429.44
  6. Step 6: Final answer
    x = 5,214.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.