Home / 8,857.68-12,223.62-4,878.96

Finding the Fourth Proportional to 8,857.68, 12,223.62 and 4,878.96

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Solution

The fourth proportional to 8,857.68, 12,223.62 and 4,878.96 is: 6,732.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.68 : 12,223.62 = 4,878.96 : x
  2. Step 2: Convert to fraction form
    8,857.68/12,223.62 = 4,878.96/x
  3. Step 3: Cross multiply
    8,857.68x = 12,223.62 × 4,878.96
  4. Step 4: Simplify right side
    8,857.68x = 59,638,553.04
  5. Step 5: Solve for x
    x = 59,638,553.04/8,857.68
  6. Step 6: Final answer
    x = 6,732.98

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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.