Home / 8,982.08-12,396.42-5,155.22

Finding the Fourth Proportional to 8,982.08, 12,396.42 and 5,155.22

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Solution

The fourth proportional to 8,982.08, 12,396.42 and 5,155.22 is: 7,114.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.08 : 12,396.42 = 5,155.22 : x
  2. Step 2: Convert to fraction form
    8,982.08/12,396.42 = 5,155.22/x
  3. Step 3: Cross multiply
    8,982.08x = 12,396.42 × 5,155.22
  4. Step 4: Simplify right side
    8,982.08x = 63,906,210.33
  5. Step 5: Solve for x
    x = 63,906,210.33/8,982.08
  6. Step 6: Final answer
    x = 7,114.86

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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.