Home / 8,434.92-12,653.97-3,240.36

Finding the Fourth Proportional to 8,434.92, 12,653.97 and 3,240.36

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Solution

The fourth proportional to 8,434.92, 12,653.97 and 3,240.36 is: 4,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.92 : 12,653.97 = 3,240.36 : x
  2. Step 2: Convert to fraction form
    8,434.92/12,653.97 = 3,240.36/x
  3. Step 3: Cross multiply
    8,434.92x = 12,653.97 × 3,240.36
  4. Step 4: Simplify right side
    8,434.92x = 41,003,418.23
  5. Step 5: Solve for x
    x = 41,003,418.23/8,434.92
  6. Step 6: Final answer
    x = 4,861.15

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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.