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Finding the Fourth Proportional to 7,296.94, 10,945.86 and 4,955.95

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Solution

The fourth proportional to 7,296.94, 10,945.86 and 4,955.95 is: 7,434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,296.94 : 10,945.86 = 4,955.95 : x
  2. Step 2: Convert to fraction form
    7,296.94/10,945.86 = 4,955.95/x
  3. Step 3: Cross multiply
    7,296.94x = 10,945.86 × 4,955.95
  4. Step 4: Simplify right side
    7,296.94x = 54,247,134.87
  5. Step 5: Solve for x
    x = 54,247,134.87/7,296.94
  6. Step 6: Final answer
    x = 7,434.23

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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.