Home / 4,918.56-7,377.75-2,144.40

Finding the Fourth Proportional to 4,918.56, 7,377.75 and 2,144.40

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Solution

The fourth proportional to 4,918.56, 7,377.75 and 2,144.40 is: 3,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.56 : 7,377.75 = 2,144.40 : x
  2. Step 2: Convert to fraction form
    4,918.56/7,377.75 = 2,144.40/x
  3. Step 3: Cross multiply
    4,918.56x = 7,377.75 × 2,144.40
  4. Step 4: Simplify right side
    4,918.56x = 15,820,847.10
  5. Step 5: Solve for x
    x = 15,820,847.10/4,918.56
  6. Step 6: Final answer
    x = 3,216.56

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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.