Home / 8,323.28-11,485.78-4,546.36

Finding the Fourth Proportional to 8,323.28, 11,485.78 and 4,546.36

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Solution

The fourth proportional to 8,323.28, 11,485.78 and 4,546.36 is: 6,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.28 : 11,485.78 = 4,546.36 : x
  2. Step 2: Convert to fraction form
    8,323.28/11,485.78 = 4,546.36/x
  3. Step 3: Cross multiply
    8,323.28x = 11,485.78 × 4,546.36
  4. Step 4: Simplify right side
    8,323.28x = 52,218,490.76
  5. Step 5: Solve for x
    x = 52,218,490.76/8,323.28
  6. Step 6: Final answer
    x = 6,273.79

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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.