Home / 4,246.15-6,371.70-1,780.78

Finding the Fourth Proportional to 4,246.15, 6,371.70 and 1,780.78

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Solution

The fourth proportional to 4,246.15, 6,371.70 and 1,780.78 is: 2,672.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,246.15 : 6,371.70 = 1,780.78 : x
  2. Step 2: Convert to fraction form
    4,246.15/6,371.70 = 1,780.78/x
  3. Step 3: Cross multiply
    4,246.15x = 6,371.70 × 1,780.78
  4. Step 4: Simplify right side
    4,246.15x = 11,346,580.00
  5. Step 5: Solve for x
    x = 11,346,580.00/4,246.15
  6. Step 6: Final answer
    x = 2,672.21

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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.