Home / 5,507.28-8,262.12-2,220.48

Finding the Fourth Proportional to 5,507.28, 8,262.12 and 2,220.48

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Solution

The fourth proportional to 5,507.28, 8,262.12 and 2,220.48 is: 3,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.28 : 8,262.12 = 2,220.48 : x
  2. Step 2: Convert to fraction form
    5,507.28/8,262.12 = 2,220.48/x
  3. Step 3: Cross multiply
    5,507.28x = 8,262.12 × 2,220.48
  4. Step 4: Simplify right side
    5,507.28x = 18,345,872.22
  5. Step 5: Solve for x
    x = 18,345,872.22/5,507.28
  6. Step 6: Final answer
    x = 3,331.20

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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.