Home / 8,145.26-12,221.54-4,682.51

Finding the Fourth Proportional to 8,145.26, 12,221.54 and 4,682.51

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Solution

The fourth proportional to 8,145.26, 12,221.54 and 4,682.51 is: 7,025.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.26 : 12,221.54 = 4,682.51 : x
  2. Step 2: Convert to fraction form
    8,145.26/12,221.54 = 4,682.51/x
  3. Step 3: Cross multiply
    8,145.26x = 12,221.54 × 4,682.51
  4. Step 4: Simplify right side
    8,145.26x = 57,227,459.85
  5. Step 5: Solve for x
    x = 57,227,459.85/8,145.26
  6. Step 6: Final answer
    x = 7,025.86

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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.