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Finding the Fourth Proportional to 6,399.16, 8,823.29 and 4,383.54

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Solution

The fourth proportional to 6,399.16, 8,823.29 and 4,383.54 is: 6,044.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.16 : 8,823.29 = 4,383.54 : x
  2. Step 2: Convert to fraction form
    6,399.16/8,823.29 = 4,383.54/x
  3. Step 3: Cross multiply
    6,399.16x = 8,823.29 × 4,383.54
  4. Step 4: Simplify right side
    6,399.16x = 38,677,222.73
  5. Step 5: Solve for x
    x = 38,677,222.73/6,399.16
  6. Step 6: Final answer
    x = 6,044.11

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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.