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Finding the Fourth Proportional to 8,360.77, 12,542.79 and 3,095.82

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Solution

The fourth proportional to 8,360.77, 12,542.79 and 3,095.82 is: 4,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.77 : 12,542.79 = 3,095.82 : x
  2. Step 2: Convert to fraction form
    8,360.77/12,542.79 = 3,095.82/x
  3. Step 3: Cross multiply
    8,360.77x = 12,542.79 × 3,095.82
  4. Step 4: Simplify right side
    8,360.77x = 38,830,220.14
  5. Step 5: Solve for x
    x = 38,830,220.14/8,360.77
  6. Step 6: Final answer
    x = 4,644.34

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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.