Home / 4,257.10-6,385.19-1,137.38

Finding the Fourth Proportional to 4,257.10, 6,385.19 and 1,137.38

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Solution

The fourth proportional to 4,257.10, 6,385.19 and 1,137.38 is: 1,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.10 : 6,385.19 = 1,137.38 : x
  2. Step 2: Convert to fraction form
    4,257.10/6,385.19 = 1,137.38/x
  3. Step 3: Cross multiply
    4,257.10x = 6,385.19 × 1,137.38
  4. Step 4: Simplify right side
    4,257.10x = 7,262,397.68
  5. Step 5: Solve for x
    x = 7,262,397.68/4,257.10
  6. Step 6: Final answer
    x = 1,705.95

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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.