Home / 8,445.94-12,669.39-2,206.17

Finding the Fourth Proportional to 8,445.94, 12,669.39 and 2,206.17

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Solution

The fourth proportional to 8,445.94, 12,669.39 and 2,206.17 is: 3,309.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.94 : 12,669.39 = 2,206.17 : x
  2. Step 2: Convert to fraction form
    8,445.94/12,669.39 = 2,206.17/x
  3. Step 3: Cross multiply
    8,445.94x = 12,669.39 × 2,206.17
  4. Step 4: Simplify right side
    8,445.94x = 27,950,828.14
  5. Step 5: Solve for x
    x = 27,950,828.14/8,445.94
  6. Step 6: Final answer
    x = 3,309.38

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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.