Home / 8,372.57-12,561.08-2,529.36

Finding the Fourth Proportional to 8,372.57, 12,561.08 and 2,529.36

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Solution

The fourth proportional to 8,372.57, 12,561.08 and 2,529.36 is: 3,794.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.57 : 12,561.08 = 2,529.36 : x
  2. Step 2: Convert to fraction form
    8,372.57/12,561.08 = 2,529.36/x
  3. Step 3: Cross multiply
    8,372.57x = 12,561.08 × 2,529.36
  4. Step 4: Simplify right side
    8,372.57x = 31,771,480.66
  5. Step 5: Solve for x
    x = 31,771,480.66/8,372.57
  6. Step 6: Final answer
    x = 3,794.71

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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.