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Finding the Fourth Proportional to 4,167.88, 6,252.78 and 1,827.88

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Solution

The fourth proportional to 4,167.88, 6,252.78 and 1,827.88 is: 2,742.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.88 : 6,252.78 = 1,827.88 : x
  2. Step 2: Convert to fraction form
    4,167.88/6,252.78 = 1,827.88/x
  3. Step 3: Cross multiply
    4,167.88x = 6,252.78 × 1,827.88
  4. Step 4: Simplify right side
    4,167.88x = 11,429,331.51
  5. Step 5: Solve for x
    x = 11,429,331.51/4,167.88
  6. Step 6: Final answer
    x = 2,742.24

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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.