Home / 4,245.88-6,371.28-1,780.48

Finding the Fourth Proportional to 4,245.88, 6,371.28 and 1,780.48

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Solution

The fourth proportional to 4,245.88, 6,371.28 and 1,780.48 is: 2,671.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.88 : 6,371.28 = 1,780.48 : x
  2. Step 2: Convert to fraction form
    4,245.88/6,371.28 = 1,780.48/x
  3. Step 3: Cross multiply
    4,245.88x = 6,371.28 × 1,780.48
  4. Step 4: Simplify right side
    4,245.88x = 11,343,936.61
  5. Step 5: Solve for x
    x = 11,343,936.61/4,245.88
  6. Step 6: Final answer
    x = 2,671.75

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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.