Home / 4,821.14-7,232.75-2,742.14

Finding the Fourth Proportional to 4,821.14, 7,232.75 and 2,742.14

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Solution

The fourth proportional to 4,821.14, 7,232.75 and 2,742.14 is: 4,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.14 : 7,232.75 = 2,742.14 : x
  2. Step 2: Convert to fraction form
    4,821.14/7,232.75 = 2,742.14/x
  3. Step 3: Cross multiply
    4,821.14x = 7,232.75 × 2,742.14
  4. Step 4: Simplify right side
    4,821.14x = 19,833,213.09
  5. Step 5: Solve for x
    x = 19,833,213.09/4,821.14
  6. Step 6: Final answer
    x = 4,113.80

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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.