Home / 4,147.70-6,221.55-2,074.10

Finding the Fourth Proportional to 4,147.70, 6,221.55 and 2,074.10

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Solution

The fourth proportional to 4,147.70, 6,221.55 and 2,074.10 is: 3,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.70 : 6,221.55 = 2,074.10 : x
  2. Step 2: Convert to fraction form
    4,147.70/6,221.55 = 2,074.10/x
  3. Step 3: Cross multiply
    4,147.70x = 6,221.55 × 2,074.10
  4. Step 4: Simplify right side
    4,147.70x = 12,904,116.86
  5. Step 5: Solve for x
    x = 12,904,116.86/4,147.70
  6. Step 6: Final answer
    x = 3,111.15

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.