Home / 9,286.29-12,811.96-5,304.58

Finding the Fourth Proportional to 9,286.29, 12,811.96 and 5,304.58

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Solution

The fourth proportional to 9,286.29, 12,811.96 and 5,304.58 is: 7,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.29 : 12,811.96 = 5,304.58 : x
  2. Step 2: Convert to fraction form
    9,286.29/12,811.96 = 5,304.58/x
  3. Step 3: Cross multiply
    9,286.29x = 12,811.96 × 5,304.58
  4. Step 4: Simplify right side
    9,286.29x = 67,962,069.95
  5. Step 5: Solve for x
    x = 67,962,069.95/9,286.29
  6. Step 6: Final answer
    x = 7,318.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.