Home / 5,451.42-7,523.94-3,213.16

Finding the Fourth Proportional to 5,451.42, 7,523.94 and 3,213.16

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Solution

The fourth proportional to 5,451.42, 7,523.94 and 3,213.16 is: 4,434.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.42 : 7,523.94 = 3,213.16 : x
  2. Step 2: Convert to fraction form
    5,451.42/7,523.94 = 3,213.16/x
  3. Step 3: Cross multiply
    5,451.42x = 7,523.94 × 3,213.16
  4. Step 4: Simplify right side
    5,451.42x = 24,175,620.41
  5. Step 5: Solve for x
    x = 24,175,620.41/5,451.42
  6. Step 6: Final answer
    x = 4,434.74

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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.