Home / 5,408.31-8,114.09-2,488.26

Finding the Fourth Proportional to 5,408.31, 8,114.09 and 2,488.26

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Solution

The fourth proportional to 5,408.31, 8,114.09 and 2,488.26 is: 3,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.31 : 8,114.09 = 2,488.26 : x
  2. Step 2: Convert to fraction form
    5,408.31/8,114.09 = 2,488.26/x
  3. Step 3: Cross multiply
    5,408.31x = 8,114.09 × 2,488.26
  4. Step 4: Simplify right side
    5,408.31x = 20,189,953.14
  5. Step 5: Solve for x
    x = 20,189,953.14/5,408.31
  6. Step 6: Final answer
    x = 3,733.14

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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.