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Finding the Fourth Proportional to 6,703.98, 9,252 and 3,719.79

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Solution

The fourth proportional to 6,703.98, 9,252 and 3,719.79 is: 5,133.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,703.98 : 9,252 = 3,719.79 : x
  2. Step 2: Convert to fraction form
    6,703.98/9,252 = 3,719.79/x
  3. Step 3: Cross multiply
    6,703.98x = 9,252 × 3,719.79
  4. Step 4: Simplify right side
    6,703.98x = 34,415,497.08
  5. Step 5: Solve for x
    x = 34,415,497.08/6,703.98
  6. Step 6: Final answer
    x = 5,133.59

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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.