Home / 8,141.94-11,236.38-4,557.20

Finding the Fourth Proportional to 8,141.94, 11,236.38 and 4,557.20

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Solution

The fourth proportional to 8,141.94, 11,236.38 and 4,557.20 is: 6,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.94 : 11,236.38 = 4,557.20 : x
  2. Step 2: Convert to fraction form
    8,141.94/11,236.38 = 4,557.20/x
  3. Step 3: Cross multiply
    8,141.94x = 11,236.38 × 4,557.20
  4. Step 4: Simplify right side
    8,141.94x = 51,206,430.94
  5. Step 5: Solve for x
    x = 51,206,430.94/8,141.94
  6. Step 6: Final answer
    x = 6,289.22

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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.