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Finding the Fourth Proportional to 9,605.69, 14,415.02 and 3,761.57

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Solution

The fourth proportional to 9,605.69, 14,415.02 and 3,761.57 is: 5,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605.69 : 14,415.02 = 3,761.57 : x
  2. Step 2: Convert to fraction form
    9,605.69/14,415.02 = 3,761.57/x
  3. Step 3: Cross multiply
    9,605.69x = 14,415.02 × 3,761.57
  4. Step 4: Simplify right side
    9,605.69x = 54,223,087.97
  5. Step 5: Solve for x
    x = 54,223,087.97/9,605.69
  6. Step 6: Final answer
    x = 5,644.89

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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.