Home / 5,505.77-8,259.57-2,218.59

Finding the Fourth Proportional to 5,505.77, 8,259.57 and 2,218.59

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Solution

The fourth proportional to 5,505.77, 8,259.57 and 2,218.59 is: 3,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.77 : 8,259.57 = 2,218.59 : x
  2. Step 2: Convert to fraction form
    5,505.77/8,259.57 = 2,218.59/x
  3. Step 3: Cross multiply
    5,505.77x = 8,259.57 × 2,218.59
  4. Step 4: Simplify right side
    5,505.77x = 18,324,599.41
  5. Step 5: Solve for x
    x = 18,324,599.41/5,505.77
  6. Step 6: Final answer
    x = 3,328.25

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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.