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Finding the Fourth Proportional to 8,912.92, 13,365.06 and 4,468.68

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Solution

The fourth proportional to 8,912.92, 13,365.06 and 4,468.68 is: 6,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.92 : 13,365.06 = 4,468.68 : x
  2. Step 2: Convert to fraction form
    8,912.92/13,365.06 = 4,468.68/x
  3. Step 3: Cross multiply
    8,912.92x = 13,365.06 × 4,468.68
  4. Step 4: Simplify right side
    8,912.92x = 59,724,176.32
  5. Step 5: Solve for x
    x = 59,724,176.32/8,912.92
  6. Step 6: Final answer
    x = 6,700.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.