Home / 6,112.50-9,168.75-2,216.91

Finding the Fourth Proportional to 6,112.50, 9,168.75 and 2,216.91

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Solution

The fourth proportional to 6,112.50, 9,168.75 and 2,216.91 is: 3,325.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.50 : 9,168.75 = 2,216.91 : x
  2. Step 2: Convert to fraction form
    6,112.50/9,168.75 = 2,216.91/x
  3. Step 3: Cross multiply
    6,112.50x = 9,168.75 × 2,216.91
  4. Step 4: Simplify right side
    6,112.50x = 20,326,293.56
  5. Step 5: Solve for x
    x = 20,326,293.56/6,112.50
  6. Step 6: Final answer
    x = 3,325.37

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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.