Home / 4,250.72-6,376.40-1,785.18

Finding the Fourth Proportional to 4,250.72, 6,376.40 and 1,785.18

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Solution

The fourth proportional to 4,250.72, 6,376.40 and 1,785.18 is: 2,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,250.72 : 6,376.40 = 1,785.18 : x
  2. Step 2: Convert to fraction form
    4,250.72/6,376.40 = 1,785.18/x
  3. Step 3: Cross multiply
    4,250.72x = 6,376.40 × 1,785.18
  4. Step 4: Simplify right side
    4,250.72x = 11,383,021.75
  5. Step 5: Solve for x
    x = 11,383,021.75/4,250.72
  6. Step 6: Final answer
    x = 2,677.90

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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.