Home / 4,991.21-7,480.46-2,652.34

Finding the Fourth Proportional to 4,991.21, 7,480.46 and 2,652.34

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Solution

The fourth proportional to 4,991.21, 7,480.46 and 2,652.34 is: 3,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.21 : 7,480.46 = 2,652.34 : x
  2. Step 2: Convert to fraction form
    4,991.21/7,480.46 = 2,652.34/x
  3. Step 3: Cross multiply
    4,991.21x = 7,480.46 × 2,652.34
  4. Step 4: Simplify right side
    4,991.21x = 19,840,715.31
  5. Step 5: Solve for x
    x = 19,840,715.31/4,991.21
  6. Step 6: Final answer
    x = 3,975.13

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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.