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Finding the Fourth Proportional to 7,367.76, 11,047.80 and 2,746.96

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Solution

The fourth proportional to 7,367.76, 11,047.80 and 2,746.96 is: 4,119.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,367.76 : 11,047.80 = 2,746.96 : x
  2. Step 2: Convert to fraction form
    7,367.76/11,047.80 = 2,746.96/x
  3. Step 3: Cross multiply
    7,367.76x = 11,047.80 × 2,746.96
  4. Step 4: Simplify right side
    7,367.76x = 30,347,864.69
  5. Step 5: Solve for x
    x = 30,347,864.69/7,367.76
  6. Step 6: Final answer
    x = 4,119.01

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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.