Home / 6,622.02-9,930.78-2,238.30

Finding the Fourth Proportional to 6,622.02, 9,930.78 and 2,238.30

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Solution

The fourth proportional to 6,622.02, 9,930.78 and 2,238.30 is: 3,356.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.02 : 9,930.78 = 2,238.30 : x
  2. Step 2: Convert to fraction form
    6,622.02/9,930.78 = 2,238.30/x
  3. Step 3: Cross multiply
    6,622.02x = 9,930.78 × 2,238.30
  4. Step 4: Simplify right side
    6,622.02x = 22,228,064.87
  5. Step 5: Solve for x
    x = 22,228,064.87/6,622.02
  6. Step 6: Final answer
    x = 3,356.69

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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.