Home / 8,110.16-12,157.92-4,202.72

Finding the Fourth Proportional to 8,110.16, 12,157.92 and 4,202.72

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Solution

The fourth proportional to 8,110.16, 12,157.92 and 4,202.72 is: 6,300.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.16 : 12,157.92 = 4,202.72 : x
  2. Step 2: Convert to fraction form
    8,110.16/12,157.92 = 4,202.72/x
  3. Step 3: Cross multiply
    8,110.16x = 12,157.92 × 4,202.72
  4. Step 4: Simplify right side
    8,110.16x = 51,096,333.54
  5. Step 5: Solve for x
    x = 51,096,333.54/8,110.16
  6. Step 6: Final answer
    x = 6,300.29

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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.