Home / 4,170.88-6,253.44-1,861.12

Finding the Fourth Proportional to 4,170.88, 6,253.44 and 1,861.12

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Solution

The fourth proportional to 4,170.88, 6,253.44 and 1,861.12 is: 2,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.88 : 6,253.44 = 1,861.12 : x
  2. Step 2: Convert to fraction form
    4,170.88/6,253.44 = 1,861.12/x
  3. Step 3: Cross multiply
    4,170.88x = 6,253.44 × 1,861.12
  4. Step 4: Simplify right side
    4,170.88x = 11,638,402.25
  5. Step 5: Solve for x
    x = 11,638,402.25/4,170.88
  6. Step 6: Final answer
    x = 2,790.39

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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.