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Finding the Fourth Proportional to 6,354.08, 8,772 and 4,785.92

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Solution

The fourth proportional to 6,354.08, 8,772 and 4,785.92 is: 6,607.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,354.08 : 8,772 = 4,785.92 : x
  2. Step 2: Convert to fraction form
    6,354.08/8,772 = 4,785.92/x
  3. Step 3: Cross multiply
    6,354.08x = 8,772 × 4,785.92
  4. Step 4: Simplify right side
    6,354.08x = 41,982,090.24
  5. Step 5: Solve for x
    x = 41,982,090.24/6,354.08
  6. Step 6: Final answer
    x = 6,607.11

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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.