Home / 6,605.12-9,910.56-2,223.20

Finding the Fourth Proportional to 6,605.12, 9,910.56 and 2,223.20

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Solution

The fourth proportional to 6,605.12, 9,910.56 and 2,223.20 is: 3,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.12 : 9,910.56 = 2,223.20 : x
  2. Step 2: Convert to fraction form
    6,605.12/9,910.56 = 2,223.20/x
  3. Step 3: Cross multiply
    6,605.12x = 9,910.56 × 2,223.20
  4. Step 4: Simplify right side
    6,605.12x = 22,033,156.99
  5. Step 5: Solve for x
    x = 22,033,156.99/6,605.12
  6. Step 6: Final answer
    x = 3,335.77

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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.