Home / 5,575.94-8,364.99-2,115.62

Finding the Fourth Proportional to 5,575.94, 8,364.99 and 2,115.62

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Solution

The fourth proportional to 5,575.94, 8,364.99 and 2,115.62 is: 3,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.94 : 8,364.99 = 2,115.62 : x
  2. Step 2: Convert to fraction form
    5,575.94/8,364.99 = 2,115.62/x
  3. Step 3: Cross multiply
    5,575.94x = 8,364.99 × 2,115.62
  4. Step 4: Simplify right side
    5,575.94x = 17,697,140.14
  5. Step 5: Solve for x
    x = 17,697,140.14/5,575.94
  6. Step 6: Final answer
    x = 3,173.84

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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.