Home / 8,431.62-11,634.96-4,847.16

Finding the Fourth Proportional to 8,431.62, 11,634.96 and 4,847.16

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Solution

The fourth proportional to 8,431.62, 11,634.96 and 4,847.16 is: 6,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.62 : 11,634.96 = 4,847.16 : x
  2. Step 2: Convert to fraction form
    8,431.62/11,634.96 = 4,847.16/x
  3. Step 3: Cross multiply
    8,431.62x = 11,634.96 × 4,847.16
  4. Step 4: Simplify right side
    8,431.62x = 56,396,512.71
  5. Step 5: Solve for x
    x = 56,396,512.71/8,431.62
  6. Step 6: Final answer
    x = 6,688.69

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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.