Home / 5,408.54-8,107.68-1,708.22

Finding the Fourth Proportional to 5,408.54, 8,107.68 and 1,708.22

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Solution

The fourth proportional to 5,408.54, 8,107.68 and 1,708.22 is: 2,560.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.54 : 8,107.68 = 1,708.22 : x
  2. Step 2: Convert to fraction form
    5,408.54/8,107.68 = 1,708.22/x
  3. Step 3: Cross multiply
    5,408.54x = 8,107.68 × 1,708.22
  4. Step 4: Simplify right side
    5,408.54x = 13,849,701.13
  5. Step 5: Solve for x
    x = 13,849,701.13/5,408.54
  6. Step 6: Final answer
    x = 2,560.71

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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.