Home / 8,857.73-12,223.59-4,878.76

Finding the Fourth Proportional to 8,857.73, 12,223.59 and 4,878.76

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Solution

The fourth proportional to 8,857.73, 12,223.59 and 4,878.76 is: 6,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.73 : 12,223.59 = 4,878.76 : x
  2. Step 2: Convert to fraction form
    8,857.73/12,223.59 = 4,878.76/x
  3. Step 3: Cross multiply
    8,857.73x = 12,223.59 × 4,878.76
  4. Step 4: Simplify right side
    8,857.73x = 59,635,876.44
  5. Step 5: Solve for x
    x = 59,635,876.44/8,857.73
  6. Step 6: Final answer
    x = 6,732.64

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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.