Home / 4,216.49-6,326.20-1,878.15

Finding the Fourth Proportional to 4,216.49, 6,326.20 and 1,878.15

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Solution

The fourth proportional to 4,216.49, 6,326.20 and 1,878.15 is: 2,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.49 : 6,326.20 = 1,878.15 : x
  2. Step 2: Convert to fraction form
    4,216.49/6,326.20 = 1,878.15/x
  3. Step 3: Cross multiply
    4,216.49x = 6,326.20 × 1,878.15
  4. Step 4: Simplify right side
    4,216.49x = 11,881,578.60
  5. Step 5: Solve for x
    x = 11,881,578.60/4,216.49
  6. Step 6: Final answer
    x = 2,817.88

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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.