Home / 6,269.10-8,652.77-3,910.78

Finding the Fourth Proportional to 6,269.10, 8,652.77 and 3,910.78

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Solution

The fourth proportional to 6,269.10, 8,652.77 and 3,910.78 is: 5,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,269.10 : 8,652.77 = 3,910.78 : x
  2. Step 2: Convert to fraction form
    6,269.10/8,652.77 = 3,910.78/x
  3. Step 3: Cross multiply
    6,269.10x = 8,652.77 × 3,910.78
  4. Step 4: Simplify right side
    6,269.10x = 33,839,107.79
  5. Step 5: Solve for x
    x = 33,839,107.79/6,269.10
  6. Step 6: Final answer
    x = 5,397.76

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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.