Home / 8,174.22-12,261.32-2,628.05

Finding the Fourth Proportional to 8,174.22, 12,261.32 and 2,628.05

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Solution

The fourth proportional to 8,174.22, 12,261.32 and 2,628.05 is: 3,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.22 : 12,261.32 = 2,628.05 : x
  2. Step 2: Convert to fraction form
    8,174.22/12,261.32 = 2,628.05/x
  3. Step 3: Cross multiply
    8,174.22x = 12,261.32 × 2,628.05
  4. Step 4: Simplify right side
    8,174.22x = 32,223,312.22
  5. Step 5: Solve for x
    x = 32,223,312.22/8,174.22
  6. Step 6: Final answer
    x = 3,942.07

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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.