Home / 4,302.21-6,454.25-1,380.50

Finding the Fourth Proportional to 4,302.21, 6,454.25 and 1,380.50

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Solution

The fourth proportional to 4,302.21, 6,454.25 and 1,380.50 is: 2,071.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,302.21 : 6,454.25 = 1,380.50 : x
  2. Step 2: Convert to fraction form
    4,302.21/6,454.25 = 1,380.50/x
  3. Step 3: Cross multiply
    4,302.21x = 6,454.25 × 1,380.50
  4. Step 4: Simplify right side
    4,302.21x = 8,910,052.95
  5. Step 5: Solve for x
    x = 8,910,052.95/4,302.21
  6. Step 6: Final answer
    x = 2,071.04

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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.