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Finding the Fourth Proportional to 4,373.82, 6,533.76 and 3,934.38

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Solution

The fourth proportional to 4,373.82, 6,533.76 and 3,934.38 is: 5,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,373.82 : 6,533.76 = 3,934.38 : x
  2. Step 2: Convert to fraction form
    4,373.82/6,533.76 = 3,934.38/x
  3. Step 3: Cross multiply
    4,373.82x = 6,533.76 × 3,934.38
  4. Step 4: Simplify right side
    4,373.82x = 25,706,294.67
  5. Step 5: Solve for x
    x = 25,706,294.67/4,373.82
  6. Step 6: Final answer
    x = 5,877.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.