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Finding the Fourth Proportional to 7,551.64, 11,329.08 and 2,287.09

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Solution

The fourth proportional to 7,551.64, 11,329.08 and 2,287.09 is: 3,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.64 : 11,329.08 = 2,287.09 : x
  2. Step 2: Convert to fraction form
    7,551.64/11,329.08 = 2,287.09/x
  3. Step 3: Cross multiply
    7,551.64x = 11,329.08 × 2,287.09
  4. Step 4: Simplify right side
    7,551.64x = 25,910,625.58
  5. Step 5: Solve for x
    x = 25,910,625.58/7,551.64
  6. Step 6: Final answer
    x = 3,431.13

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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.