Home / 8,103.63-12,155.44-2,631.63

Finding the Fourth Proportional to 8,103.63, 12,155.44 and 2,631.63

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Solution

The fourth proportional to 8,103.63, 12,155.44 and 2,631.63 is: 3,947.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.63 : 12,155.44 = 2,631.63 : x
  2. Step 2: Convert to fraction form
    8,103.63/12,155.44 = 2,631.63/x
  3. Step 3: Cross multiply
    8,103.63x = 12,155.44 × 2,631.63
  4. Step 4: Simplify right side
    8,103.63x = 31,988,620.57
  5. Step 5: Solve for x
    x = 31,988,620.57/8,103.63
  6. Step 6: Final answer
    x = 3,947.44

Related Problems

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.