Home / 4,257.42-6,386.64-1,137.54

Finding the Fourth Proportional to 4,257.42, 6,386.64 and 1,137.54

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Solution

The fourth proportional to 4,257.42, 6,386.64 and 1,137.54 is: 1,706.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.42 : 6,386.64 = 1,137.54 : x
  2. Step 2: Convert to fraction form
    4,257.42/6,386.64 = 1,137.54/x
  3. Step 3: Cross multiply
    4,257.42x = 6,386.64 × 1,137.54
  4. Step 4: Simplify right side
    4,257.42x = 7,265,058.47
  5. Step 5: Solve for x
    x = 7,265,058.47/4,257.42
  6. Step 6: Final answer
    x = 1,706.45

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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.