Home / 4,813.48-7,218.06-2,215

Finding the Fourth Proportional to 4,813.48, 7,218.06 and 2,215

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Solution

The fourth proportional to 4,813.48, 7,218.06 and 2,215 is: 3,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.48 : 7,218.06 = 2,215 : x
  2. Step 2: Convert to fraction form
    4,813.48/7,218.06 = 2,215/x
  3. Step 3: Cross multiply
    4,813.48x = 7,218.06 × 2,215
  4. Step 4: Simplify right side
    4,813.48x = 15,988,002.90
  5. Step 5: Solve for x
    x = 15,988,002.90/4,813.48
  6. Step 6: Final answer
    x = 3,321.51

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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.