Home / 8,823.62-12,175.70-5,286.74

Finding the Fourth Proportional to 8,823.62, 12,175.70 and 5,286.74

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Solution

The fourth proportional to 8,823.62, 12,175.70 and 5,286.74 is: 7,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.62 : 12,175.70 = 5,286.74 : x
  2. Step 2: Convert to fraction form
    8,823.62/12,175.70 = 5,286.74/x
  3. Step 3: Cross multiply
    8,823.62x = 12,175.70 × 5,286.74
  4. Step 4: Simplify right side
    8,823.62x = 64,369,672.91
  5. Step 5: Solve for x
    x = 64,369,672.91/8,823.62
  6. Step 6: Final answer
    x = 7,295.16

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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.