Home / 4,257.05-6,386.01-1,137.06

Finding the Fourth Proportional to 4,257.05, 6,386.01 and 1,137.06

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Solution

The fourth proportional to 4,257.05, 6,386.01 and 1,137.06 is: 1,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.05 : 6,386.01 = 1,137.06 : x
  2. Step 2: Convert to fraction form
    4,257.05/6,386.01 = 1,137.06/x
  3. Step 3: Cross multiply
    4,257.05x = 6,386.01 × 1,137.06
  4. Step 4: Simplify right side
    4,257.05x = 7,261,276.53
  5. Step 5: Solve for x
    x = 7,261,276.53/4,257.05
  6. Step 6: Final answer
    x = 1,705.71

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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.