Home / 4,302.10-6,453.15-1,380.43

Finding the Fourth Proportional to 4,302.10, 6,453.15 and 1,380.43

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Solution

The fourth proportional to 4,302.10, 6,453.15 and 1,380.43 is: 2,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,302.10 : 6,453.15 = 1,380.43 : x
  2. Step 2: Convert to fraction form
    4,302.10/6,453.15 = 1,380.43/x
  3. Step 3: Cross multiply
    4,302.10x = 6,453.15 × 1,380.43
  4. Step 4: Simplify right side
    4,302.10x = 8,908,121.85
  5. Step 5: Solve for x
    x = 8,908,121.85/4,302.10
  6. Step 6: Final answer
    x = 2,070.65

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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.