Home / 5,628.72-8,443.08-2,166.78

Finding the Fourth Proportional to 5,628.72, 8,443.08 and 2,166.78

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Solution

The fourth proportional to 5,628.72, 8,443.08 and 2,166.78 is: 3,250.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.72 : 8,443.08 = 2,166.78 : x
  2. Step 2: Convert to fraction form
    5,628.72/8,443.08 = 2,166.78/x
  3. Step 3: Cross multiply
    5,628.72x = 8,443.08 × 2,166.78
  4. Step 4: Simplify right side
    5,628.72x = 18,294,296.88
  5. Step 5: Solve for x
    x = 18,294,296.88/5,628.72
  6. Step 6: Final answer
    x = 3,250.17

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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.