Home / 8,434.23-12,651.96-3,240.09

Finding the Fourth Proportional to 8,434.23, 12,651.96 and 3,240.09

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Solution

The fourth proportional to 8,434.23, 12,651.96 and 3,240.09 is: 4,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.23 : 12,651.96 = 3,240.09 : x
  2. Step 2: Convert to fraction form
    8,434.23/12,651.96 = 3,240.09/x
  3. Step 3: Cross multiply
    8,434.23x = 12,651.96 × 3,240.09
  4. Step 4: Simplify right side
    8,434.23x = 40,993,489.08
  5. Step 5: Solve for x
    x = 40,993,489.08/8,434.23
  6. Step 6: Final answer
    x = 4,860.37

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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.