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Finding the Fourth Proportional to 6,331.28, 8,737.10 and 3,498.64

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Solution

The fourth proportional to 6,331.28, 8,737.10 and 3,498.64 is: 4,828.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.28 : 8,737.10 = 3,498.64 : x
  2. Step 2: Convert to fraction form
    6,331.28/8,737.10 = 3,498.64/x
  3. Step 3: Cross multiply
    6,331.28x = 8,737.10 × 3,498.64
  4. Step 4: Simplify right side
    6,331.28x = 30,567,954.45
  5. Step 5: Solve for x
    x = 30,567,954.45/6,331.28
  6. Step 6: Final answer
    x = 4,828.09

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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.