Home / 4,486.08-6,729.13-2,145.54

Finding the Fourth Proportional to 4,486.08, 6,729.13 and 2,145.54

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Solution

The fourth proportional to 4,486.08, 6,729.13 and 2,145.54 is: 3,218.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.08 : 6,729.13 = 2,145.54 : x
  2. Step 2: Convert to fraction form
    4,486.08/6,729.13 = 2,145.54/x
  3. Step 3: Cross multiply
    4,486.08x = 6,729.13 × 2,145.54
  4. Step 4: Simplify right side
    4,486.08x = 14,437,617.58
  5. Step 5: Solve for x
    x = 14,437,617.58/4,486.08
  6. Step 6: Final answer
    x = 3,218.31

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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.