Home / 7,913.35-11,865.64-3,236.64

Finding the Fourth Proportional to 7,913.35, 11,865.64 and 3,236.64

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Solution

The fourth proportional to 7,913.35, 11,865.64 and 3,236.64 is: 4,853.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.35 : 11,865.64 = 3,236.64 : x
  2. Step 2: Convert to fraction form
    7,913.35/11,865.64 = 3,236.64/x
  3. Step 3: Cross multiply
    7,913.35x = 11,865.64 × 3,236.64
  4. Step 4: Simplify right side
    7,913.35x = 38,404,827.97
  5. Step 5: Solve for x
    x = 38,404,827.97/7,913.35
  6. Step 6: Final answer
    x = 4,853.17

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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.