Home / 8,823.52-12,176.36-5,286.72

Finding the Fourth Proportional to 8,823.52, 12,176.36 and 5,286.72

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Solution

The fourth proportional to 8,823.52, 12,176.36 and 5,286.72 is: 7,295.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.52 : 12,176.36 = 5,286.72 : x
  2. Step 2: Convert to fraction form
    8,823.52/12,176.36 = 5,286.72/x
  3. Step 3: Cross multiply
    8,823.52x = 12,176.36 × 5,286.72
  4. Step 4: Simplify right side
    8,823.52x = 64,373,005.94
  5. Step 5: Solve for x
    x = 64,373,005.94/8,823.52
  6. Step 6: Final answer
    x = 7,295.62

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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.