Home / 6,218.37-8,580.33-3,863.70

Finding the Fourth Proportional to 6,218.37, 8,580.33 and 3,863.70

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Solution

The fourth proportional to 6,218.37, 8,580.33 and 3,863.70 is: 5,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.37 : 8,580.33 = 3,863.70 : x
  2. Step 2: Convert to fraction form
    6,218.37/8,580.33 = 3,863.70/x
  3. Step 3: Cross multiply
    6,218.37x = 8,580.33 × 3,863.70
  4. Step 4: Simplify right side
    6,218.37x = 33,151,821.02
  5. Step 5: Solve for x
    x = 33,151,821.02/6,218.37
  6. Step 6: Final answer
    x = 5,331.27

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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.