Home / 4,921.09-7,380.34-2,454.10

Finding the Fourth Proportional to 4,921.09, 7,380.34 and 2,454.10

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Solution

The fourth proportional to 4,921.09, 7,380.34 and 2,454.10 is: 3,680.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.09 : 7,380.34 = 2,454.10 : x
  2. Step 2: Convert to fraction form
    4,921.09/7,380.34 = 2,454.10/x
  3. Step 3: Cross multiply
    4,921.09x = 7,380.34 × 2,454.10
  4. Step 4: Simplify right side
    4,921.09x = 18,112,092.39
  5. Step 5: Solve for x
    x = 18,112,092.39/4,921.09
  6. Step 6: Final answer
    x = 3,680.50

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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.