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Finding the Fourth Proportional to 6,504.40, 9,755.84 and 2,605.92

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Solution

The fourth proportional to 6,504.40, 9,755.84 and 2,605.92 is: 3,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,504.40 : 9,755.84 = 2,605.92 : x
  2. Step 2: Convert to fraction form
    6,504.40/9,755.84 = 2,605.92/x
  3. Step 3: Cross multiply
    6,504.40x = 9,755.84 × 2,605.92
  4. Step 4: Simplify right side
    6,504.40x = 25,422,938.57
  5. Step 5: Solve for x
    x = 25,422,938.57/6,504.40
  6. Step 6: Final answer
    x = 3,908.58

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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.