Home / 8,286.56-12,418.47-4,383.17

Finding the Fourth Proportional to 8,286.56, 12,418.47 and 4,383.17

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Solution

The fourth proportional to 8,286.56, 12,418.47 and 4,383.17 is: 6,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.56 : 12,418.47 = 4,383.17 : x
  2. Step 2: Convert to fraction form
    8,286.56/12,418.47 = 4,383.17/x
  3. Step 3: Cross multiply
    8,286.56x = 12,418.47 × 4,383.17
  4. Step 4: Simplify right side
    8,286.56x = 54,432,203.06
  5. Step 5: Solve for x
    x = 54,432,203.06/8,286.56
  6. Step 6: Final answer
    x = 6,568.74

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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.