Home / 8,286.84-12,426.48-3,606.66

Finding the Fourth Proportional to 8,286.84, 12,426.48 and 3,606.66

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Solution

The fourth proportional to 8,286.84, 12,426.48 and 3,606.66 is: 5,408.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.84 : 12,426.48 = 3,606.66 : x
  2. Step 2: Convert to fraction form
    8,286.84/12,426.48 = 3,606.66/x
  3. Step 3: Cross multiply
    8,286.84x = 12,426.48 × 3,606.66
  4. Step 4: Simplify right side
    8,286.84x = 44,818,088.36
  5. Step 5: Solve for x
    x = 44,818,088.36/8,286.84
  6. Step 6: Final answer
    x = 5,408.34

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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.