Home / 8,863.43-12,231.38-4,830.30

Finding the Fourth Proportional to 8,863.43, 12,231.38 and 4,830.30

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Solution

The fourth proportional to 8,863.43, 12,231.38 and 4,830.30 is: 6,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.43 : 12,231.38 = 4,830.30 : x
  2. Step 2: Convert to fraction form
    8,863.43/12,231.38 = 4,830.30/x
  3. Step 3: Cross multiply
    8,863.43x = 12,231.38 × 4,830.30
  4. Step 4: Simplify right side
    8,863.43x = 59,081,173.66
  5. Step 5: Solve for x
    x = 59,081,173.66/8,863.43
  6. Step 6: Final answer
    x = 6,665.72

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Half scale
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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.