Home / 4,991.32-7,486.96-3,896.60

Finding the Fourth Proportional to 4,991.32, 7,486.96 and 3,896.60

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Solution

The fourth proportional to 4,991.32, 7,486.96 and 3,896.60 is: 5,844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.32 : 7,486.96 = 3,896.60 : x
  2. Step 2: Convert to fraction form
    4,991.32/7,486.96 = 3,896.60/x
  3. Step 3: Cross multiply
    4,991.32x = 7,486.96 × 3,896.60
  4. Step 4: Simplify right side
    4,991.32x = 29,173,688.34
  5. Step 5: Solve for x
    x = 29,173,688.34/4,991.32
  6. Step 6: Final answer
    x = 5,844.88

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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.