Home / 6,380.20-9,570.24-2,220.20

Finding the Fourth Proportional to 6,380.20, 9,570.24 and 2,220.20

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Solution

The fourth proportional to 6,380.20, 9,570.24 and 2,220.20 is: 3,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.20 : 9,570.24 = 2,220.20 : x
  2. Step 2: Convert to fraction form
    6,380.20/9,570.24 = 2,220.20/x
  3. Step 3: Cross multiply
    6,380.20x = 9,570.24 × 2,220.20
  4. Step 4: Simplify right side
    6,380.20x = 21,247,799.00
  5. Step 5: Solve for x
    x = 21,247,799.00/6,380.20
  6. Step 6: Final answer
    x = 3,330.27

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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.