Home / 5,408.85-8,113.36-1,711.11

Finding the Fourth Proportional to 5,408.85, 8,113.36 and 1,711.11

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Solution

The fourth proportional to 5,408.85, 8,113.36 and 1,711.11 is: 2,566.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.85 : 8,113.36 = 1,711.11 : x
  2. Step 2: Convert to fraction form
    5,408.85/8,113.36 = 1,711.11/x
  3. Step 3: Cross multiply
    5,408.85x = 8,113.36 × 1,711.11
  4. Step 4: Simplify right side
    5,408.85x = 13,882,847.15
  5. Step 5: Solve for x
    x = 13,882,847.15/5,408.85
  6. Step 6: Final answer
    x = 2,566.69

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Double scale
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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.