Home / 4,245.96-6,371.42-1,780.59

Finding the Fourth Proportional to 4,245.96, 6,371.42 and 1,780.59

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Solution

The fourth proportional to 4,245.96, 6,371.42 and 1,780.59 is: 2,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.96 : 6,371.42 = 1,780.59 : x
  2. Step 2: Convert to fraction form
    4,245.96/6,371.42 = 1,780.59/x
  3. Step 3: Cross multiply
    4,245.96x = 6,371.42 × 1,780.59
  4. Step 4: Simplify right side
    4,245.96x = 11,344,877.83
  5. Step 5: Solve for x
    x = 11,344,877.83/4,245.96
  6. Step 6: Final answer
    x = 2,671.92

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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.