Home / 8,411.36-11,607.68-4,876.62

Finding the Fourth Proportional to 8,411.36, 11,607.68 and 4,876.62

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Solution

The fourth proportional to 8,411.36, 11,607.68 and 4,876.62 is: 6,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.36 : 11,607.68 = 4,876.62 : x
  2. Step 2: Convert to fraction form
    8,411.36/11,607.68 = 4,876.62/x
  3. Step 3: Cross multiply
    8,411.36x = 11,607.68 × 4,876.62
  4. Step 4: Simplify right side
    8,411.36x = 56,606,244.44
  5. Step 5: Solve for x
    x = 56,606,244.44/8,411.36
  6. Step 6: Final answer
    x = 6,729.74

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Half scale
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Double scale
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Similar ratio
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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.