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Finding the Fourth Proportional to 6,605.89, 9,910.55 and 2,908.85

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Solution

The fourth proportional to 6,605.89, 9,910.55 and 2,908.85 is: 4,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.89 : 9,910.55 = 2,908.85 : x
  2. Step 2: Convert to fraction form
    6,605.89/9,910.55 = 2,908.85/x
  3. Step 3: Cross multiply
    6,605.89x = 9,910.55 × 2,908.85
  4. Step 4: Simplify right side
    6,605.89x = 28,828,261.09
  5. Step 5: Solve for x
    x = 28,828,261.09/6,605.89
  6. Step 6: Final answer
    x = 4,364.03

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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.