Home / 5,507.21-8,261.19-2,220.33

Finding the Fourth Proportional to 5,507.21, 8,261.19 and 2,220.33

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Solution

The fourth proportional to 5,507.21, 8,261.19 and 2,220.33 is: 3,330.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.21 : 8,261.19 = 2,220.33 : x
  2. Step 2: Convert to fraction form
    5,507.21/8,261.19 = 2,220.33/x
  3. Step 3: Cross multiply
    5,507.21x = 8,261.19 × 2,220.33
  4. Step 4: Simplify right side
    5,507.21x = 18,342,552.50
  5. Step 5: Solve for x
    x = 18,342,552.50/5,507.21
  6. Step 6: Final answer
    x = 3,330.65

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Double scale
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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.