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Finding the Fourth Proportional to 4,293.27, 5,921.46 and 3,696.79

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Solution

The fourth proportional to 4,293.27, 5,921.46 and 3,696.79 is: 5,098.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.27 : 5,921.46 = 3,696.79 : x
  2. Step 2: Convert to fraction form
    4,293.27/5,921.46 = 3,696.79/x
  3. Step 3: Cross multiply
    4,293.27x = 5,921.46 × 3,696.79
  4. Step 4: Simplify right side
    4,293.27x = 21,890,364.51
  5. Step 5: Solve for x
    x = 21,890,364.51/4,293.27
  6. Step 6: Final answer
    x = 5,098.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.