Home / 4,272.18-6,408.45-2,082.75

Finding the Fourth Proportional to 4,272.18, 6,408.45 and 2,082.75

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Solution

The fourth proportional to 4,272.18, 6,408.45 and 2,082.75 is: 3,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.18 : 6,408.45 = 2,082.75 : x
  2. Step 2: Convert to fraction form
    4,272.18/6,408.45 = 2,082.75/x
  3. Step 3: Cross multiply
    4,272.18x = 6,408.45 × 2,082.75
  4. Step 4: Simplify right side
    4,272.18x = 13,347,199.24
  5. Step 5: Solve for x
    x = 13,347,199.24/4,272.18
  6. Step 6: Final answer
    x = 3,124.21

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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.