Home / 5,507.09-8,261.54-2,219.90

Finding the Fourth Proportional to 5,507.09, 8,261.54 and 2,219.90

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Solution

The fourth proportional to 5,507.09, 8,261.54 and 2,219.90 is: 3,330.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.09 : 8,261.54 = 2,219.90 : x
  2. Step 2: Convert to fraction form
    5,507.09/8,261.54 = 2,219.90/x
  3. Step 3: Cross multiply
    5,507.09x = 8,261.54 × 2,219.90
  4. Step 4: Simplify right side
    5,507.09x = 18,339,818.85
  5. Step 5: Solve for x
    x = 18,339,818.85/5,507.09
  6. Step 6: Final answer
    x = 3,330.22

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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.