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Finding the Fourth Proportional to 6,936.59, 9,573.38 and 3,953.50

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Solution

The fourth proportional to 6,936.59, 9,573.38 and 3,953.50 is: 5,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.59 : 9,573.38 = 3,953.50 : x
  2. Step 2: Convert to fraction form
    6,936.59/9,573.38 = 3,953.50/x
  3. Step 3: Cross multiply
    6,936.59x = 9,573.38 × 3,953.50
  4. Step 4: Simplify right side
    6,936.59x = 37,848,357.83
  5. Step 5: Solve for x
    x = 37,848,357.83/6,936.59
  6. Step 6: Final answer
    x = 5,456.33

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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.