Home / 4,302.26-6,453.40-1,380.56

Finding the Fourth Proportional to 4,302.26, 6,453.40 and 1,380.56

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Solution

The fourth proportional to 4,302.26, 6,453.40 and 1,380.56 is: 2,070.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,302.26 : 6,453.40 = 1,380.56 : x
  2. Step 2: Convert to fraction form
    4,302.26/6,453.40 = 1,380.56/x
  3. Step 3: Cross multiply
    4,302.26x = 6,453.40 × 1,380.56
  4. Step 4: Simplify right side
    4,302.26x = 8,909,305.90
  5. Step 5: Solve for x
    x = 8,909,305.90/4,302.26
  6. Step 6: Final answer
    x = 2,070.84

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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.