Home / 5,507.15-8,261.11-2,220.26

Finding the Fourth Proportional to 5,507.15, 8,261.11 and 2,220.26

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Solution

The fourth proportional to 5,507.15, 8,261.11 and 2,220.26 is: 3,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.15 : 8,261.11 = 2,220.26 : x
  2. Step 2: Convert to fraction form
    5,507.15/8,261.11 = 2,220.26/x
  3. Step 3: Cross multiply
    5,507.15x = 8,261.11 × 2,220.26
  4. Step 4: Simplify right side
    5,507.15x = 18,341,812.09
  5. Step 5: Solve for x
    x = 18,341,812.09/5,507.15
  6. Step 6: Final answer
    x = 3,330.55

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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.