Home / 4,188.78-6,283.19-1,415.48

Finding the Fourth Proportional to 4,188.78, 6,283.19 and 1,415.48

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Solution

The fourth proportional to 4,188.78, 6,283.19 and 1,415.48 is: 2,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.78 : 6,283.19 = 1,415.48 : x
  2. Step 2: Convert to fraction form
    4,188.78/6,283.19 = 1,415.48/x
  3. Step 3: Cross multiply
    4,188.78x = 6,283.19 × 1,415.48
  4. Step 4: Simplify right side
    4,188.78x = 8,893,691.29
  5. Step 5: Solve for x
    x = 8,893,691.29/4,188.78
  6. Step 6: Final answer
    x = 2,123.22

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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.