Home / 5,667.72-8,501.58-2,205.78

Finding the Fourth Proportional to 5,667.72, 8,501.58 and 2,205.78

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Solution

The fourth proportional to 5,667.72, 8,501.58 and 2,205.78 is: 3,308.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,667.72 : 8,501.58 = 2,205.78 : x
  2. Step 2: Convert to fraction form
    5,667.72/8,501.58 = 2,205.78/x
  3. Step 3: Cross multiply
    5,667.72x = 8,501.58 × 2,205.78
  4. Step 4: Simplify right side
    5,667.72x = 18,752,615.13
  5. Step 5: Solve for x
    x = 18,752,615.13/5,667.72
  6. Step 6: Final answer
    x = 3,308.67

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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.