Home / 8,825.56-12,179.60-4,847.12

Finding the Fourth Proportional to 8,825.56, 12,179.60 and 4,847.12

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Solution

The fourth proportional to 8,825.56, 12,179.60 and 4,847.12 is: 6,689.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.56 : 12,179.60 = 4,847.12 : x
  2. Step 2: Convert to fraction form
    8,825.56/12,179.60 = 4,847.12/x
  3. Step 3: Cross multiply
    8,825.56x = 12,179.60 × 4,847.12
  4. Step 4: Simplify right side
    8,825.56x = 59,035,982.75
  5. Step 5: Solve for x
    x = 59,035,982.75/8,825.56
  6. Step 6: Final answer
    x = 6,689.21

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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.