Home / 8,425.24-12,637.90-2,581.80

Finding the Fourth Proportional to 8,425.24, 12,637.90 and 2,581.80

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Solution

The fourth proportional to 8,425.24, 12,637.90 and 2,581.80 is: 3,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.24 : 12,637.90 = 2,581.80 : x
  2. Step 2: Convert to fraction form
    8,425.24/12,637.90 = 2,581.80/x
  3. Step 3: Cross multiply
    8,425.24x = 12,637.90 × 2,581.80
  4. Step 4: Simplify right side
    8,425.24x = 32,628,530.22
  5. Step 5: Solve for x
    x = 32,628,530.22/8,425.24
  6. Step 6: Final answer
    x = 3,872.71

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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.