Home / 8,410.23-12,610.97-3,140.91

Finding the Fourth Proportional to 8,410.23, 12,610.97 and 3,140.91

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Solution

The fourth proportional to 8,410.23, 12,610.97 and 3,140.91 is: 4,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,410.23 : 12,610.97 = 3,140.91 : x
  2. Step 2: Convert to fraction form
    8,410.23/12,610.97 = 3,140.91/x
  3. Step 3: Cross multiply
    8,410.23x = 12,610.97 × 3,140.91
  4. Step 4: Simplify right side
    8,410.23x = 39,609,906.08
  5. Step 5: Solve for x
    x = 39,609,906.08/8,410.23
  6. Step 6: Final answer
    x = 4,709.73

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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.