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Finding the Fourth Proportional to 6,338.72, 8,746.62 and 3,505.88

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Solution

The fourth proportional to 6,338.72, 8,746.62 and 3,505.88 is: 4,837.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.72 : 8,746.62 = 3,505.88 : x
  2. Step 2: Convert to fraction form
    6,338.72/8,746.62 = 3,505.88/x
  3. Step 3: Cross multiply
    6,338.72x = 8,746.62 × 3,505.88
  4. Step 4: Simplify right side
    6,338.72x = 30,664,600.13
  5. Step 5: Solve for x
    x = 30,664,600.13/6,338.72
  6. Step 6: Final answer
    x = 4,837.66

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1.5x scale

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.