Home / 4,218.54-6,322.32-2,829.78

Finding the Fourth Proportional to 4,218.54, 6,322.32 and 2,829.78

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Solution

The fourth proportional to 4,218.54, 6,322.32 and 2,829.78 is: 4,240.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.54 : 6,322.32 = 2,829.78 : x
  2. Step 2: Convert to fraction form
    4,218.54/6,322.32 = 2,829.78/x
  3. Step 3: Cross multiply
    4,218.54x = 6,322.32 × 2,829.78
  4. Step 4: Simplify right side
    4,218.54x = 17,890,774.69
  5. Step 5: Solve for x
    x = 17,890,774.69/4,218.54
  6. Step 6: Final answer
    x = 4,240.99

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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.