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Finding the Fourth Proportional to 6,606.69, 9,910.95 and 2,225.40

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Solution

The fourth proportional to 6,606.69, 9,910.95 and 2,225.40 is: 3,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.69 : 9,910.95 = 2,225.40 : x
  2. Step 2: Convert to fraction form
    6,606.69/9,910.95 = 2,225.40/x
  3. Step 3: Cross multiply
    6,606.69x = 9,910.95 × 2,225.40
  4. Step 4: Simplify right side
    6,606.69x = 22,055,782.62
  5. Step 5: Solve for x
    x = 22,055,782.62/6,606.69
  6. Step 6: Final answer
    x = 3,338.40

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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.