Home / 8,819.56-12,171-4,840.84

Finding the Fourth Proportional to 8,819.56, 12,171 and 4,840.84

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Solution

The fourth proportional to 8,819.56, 12,171 and 4,840.84 is: 6,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.56 : 12,171 = 4,840.84 : x
  2. Step 2: Convert to fraction form
    8,819.56/12,171 = 4,840.84/x
  3. Step 3: Cross multiply
    8,819.56x = 12,171 × 4,840.84
  4. Step 4: Simplify right side
    8,819.56x = 58,917,863.64
  5. Step 5: Solve for x
    x = 58,917,863.64/8,819.56
  6. Step 6: Final answer
    x = 6,680.36

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Double 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.