Home / 4,881.12-7,326-2,542.80

Finding the Fourth Proportional to 4,881.12, 7,326 and 2,542.80

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Solution

The fourth proportional to 4,881.12, 7,326 and 2,542.80 is: 3,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.12 : 7,326 = 2,542.80 : x
  2. Step 2: Convert to fraction form
    4,881.12/7,326 = 2,542.80/x
  3. Step 3: Cross multiply
    4,881.12x = 7,326 × 2,542.80
  4. Step 4: Simplify right side
    4,881.12x = 18,628,552.80
  5. Step 5: Solve for x
    x = 18,628,552.80/4,881.12
  6. Step 6: Final answer
    x = 3,816.45

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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.