Home / 8,423.19-12,616.56-5,492.61

Finding the Fourth Proportional to 8,423.19, 12,616.56 and 5,492.61

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Solution

The fourth proportional to 8,423.19, 12,616.56 and 5,492.61 is: 8,227.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.19 : 12,616.56 = 5,492.61 : x
  2. Step 2: Convert to fraction form
    8,423.19/12,616.56 = 5,492.61/x
  3. Step 3: Cross multiply
    8,423.19x = 12,616.56 × 5,492.61
  4. Step 4: Simplify right side
    8,423.19x = 69,297,843.62
  5. Step 5: Solve for x
    x = 69,297,843.62/8,423.19
  6. Step 6: Final answer
    x = 8,227.03

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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.