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Finding the Fourth Proportional to 7,952.34, 11,925.81 and 3,020.79

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Solution

The fourth proportional to 7,952.34, 11,925.81 and 3,020.79 is: 4,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.34 : 11,925.81 = 3,020.79 : x
  2. Step 2: Convert to fraction form
    7,952.34/11,925.81 = 3,020.79/x
  3. Step 3: Cross multiply
    7,952.34x = 11,925.81 × 3,020.79
  4. Step 4: Simplify right side
    7,952.34x = 36,025,367.59
  5. Step 5: Solve for x
    x = 36,025,367.59/7,952.34
  6. Step 6: Final answer
    x = 4,530.16

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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.