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Finding the Fourth Proportional to 9,083.25, 13,628.30 and 2,927.25

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Solution

The fourth proportional to 9,083.25, 13,628.30 and 2,927.25 is: 4,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,083.25 : 13,628.30 = 2,927.25 : x
  2. Step 2: Convert to fraction form
    9,083.25/13,628.30 = 2,927.25/x
  3. Step 3: Cross multiply
    9,083.25x = 13,628.30 × 2,927.25
  4. Step 4: Simplify right side
    9,083.25x = 39,893,426.54
  5. Step 5: Solve for x
    x = 39,893,426.54/9,083.25
  6. Step 6: Final answer
    x = 4,391.98

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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.