Home / 4,257.31-6,385.49-1,137.59

Finding the Fourth Proportional to 4,257.31, 6,385.49 and 1,137.59

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Solution

The fourth proportional to 4,257.31, 6,385.49 and 1,137.59 is: 1,706.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.31 : 6,385.49 = 1,137.59 : x
  2. Step 2: Convert to fraction form
    4,257.31/6,385.49 = 1,137.59/x
  3. Step 3: Cross multiply
    4,257.31x = 6,385.49 × 1,137.59
  4. Step 4: Simplify right side
    4,257.31x = 7,264,069.57
  5. Step 5: Solve for x
    x = 7,264,069.57/4,257.31
  6. Step 6: Final answer
    x = 1,706.26

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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.