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Finding the Fourth Proportional to 6,362.72, 8,781.38 and 3,568.76

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Solution

The fourth proportional to 6,362.72, 8,781.38 and 3,568.76 is: 4,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,362.72 : 8,781.38 = 3,568.76 : x
  2. Step 2: Convert to fraction form
    6,362.72/8,781.38 = 3,568.76/x
  3. Step 3: Cross multiply
    6,362.72x = 8,781.38 × 3,568.76
  4. Step 4: Simplify right side
    6,362.72x = 31,338,637.69
  5. Step 5: Solve for x
    x = 31,338,637.69/6,362.72
  6. Step 6: Final answer
    x = 4,925.35

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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.