Home / 8,630.45-11,912.22-5,094.80

Finding the Fourth Proportional to 8,630.45, 11,912.22 and 5,094.80

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Solution

The fourth proportional to 8,630.45, 11,912.22 and 5,094.80 is: 7,032.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.45 : 11,912.22 = 5,094.80 : x
  2. Step 2: Convert to fraction form
    8,630.45/11,912.22 = 5,094.80/x
  3. Step 3: Cross multiply
    8,630.45x = 11,912.22 × 5,094.80
  4. Step 4: Simplify right side
    8,630.45x = 60,690,318.89
  5. Step 5: Solve for x
    x = 60,690,318.89/8,630.45
  6. Step 6: Final answer
    x = 7,032.12

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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.