Home / 8,264-11,390.72-5,749.76

Finding the Fourth Proportional to 8,264, 11,390.72 and 5,749.76

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Solution

The fourth proportional to 8,264, 11,390.72 and 5,749.76 is: 7,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264 : 11,390.72 = 5,749.76 : x
  2. Step 2: Convert to fraction form
    8,264/11,390.72 = 5,749.76/x
  3. Step 3: Cross multiply
    8,264x = 11,390.72 × 5,749.76
  4. Step 4: Simplify right side
    8,264x = 65,493,906.23
  5. Step 5: Solve for x
    x = 65,493,906.23/8,264
  6. Step 6: Final answer
    x = 7,925.21

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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.