Home / 5,339.82-8,009.53-2,418.12

Finding the Fourth Proportional to 5,339.82, 8,009.53 and 2,418.12

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Solution

The fourth proportional to 5,339.82, 8,009.53 and 2,418.12 is: 3,627.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.82 : 8,009.53 = 2,418.12 : x
  2. Step 2: Convert to fraction form
    5,339.82/8,009.53 = 2,418.12/x
  3. Step 3: Cross multiply
    5,339.82x = 8,009.53 × 2,418.12
  4. Step 4: Simplify right side
    5,339.82x = 19,368,004.68
  5. Step 5: Solve for x
    x = 19,368,004.68/5,339.82
  6. Step 6: Final answer
    x = 3,627.09

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1.5x scale

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.