Home / 4,949.12-7,424.04-2,028.08

Finding the Fourth Proportional to 4,949.12, 7,424.04 and 2,028.08

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Solution

The fourth proportional to 4,949.12, 7,424.04 and 2,028.08 is: 3,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.12 : 7,424.04 = 2,028.08 : x
  2. Step 2: Convert to fraction form
    4,949.12/7,424.04 = 2,028.08/x
  3. Step 3: Cross multiply
    4,949.12x = 7,424.04 × 2,028.08
  4. Step 4: Simplify right side
    4,949.12x = 15,056,547.04
  5. Step 5: Solve for x
    x = 15,056,547.04/4,949.12
  6. Step 6: Final answer
    x = 3,042.27

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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.