Home / 5,505.77-8,260.19-2,218.10

Finding the Fourth Proportional to 5,505.77, 8,260.19 and 2,218.10

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Solution

The fourth proportional to 5,505.77, 8,260.19 and 2,218.10 is: 3,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.77 : 8,260.19 = 2,218.10 : x
  2. Step 2: Convert to fraction form
    5,505.77/8,260.19 = 2,218.10/x
  3. Step 3: Cross multiply
    5,505.77x = 8,260.19 × 2,218.10
  4. Step 4: Simplify right side
    5,505.77x = 18,321,875.05
  5. Step 5: Solve for x
    x = 18,321,875.05/5,505.77
  6. Step 6: Final answer
    x = 3,327.76

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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.