Home / 4,258.70-6,387.83-1,297.01

Finding the Fourth Proportional to 4,258.70, 6,387.83 and 1,297.01

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Solution

The fourth proportional to 4,258.70, 6,387.83 and 1,297.01 is: 1,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.70 : 6,387.83 = 1,297.01 : x
  2. Step 2: Convert to fraction form
    4,258.70/6,387.83 = 1,297.01/x
  3. Step 3: Cross multiply
    4,258.70x = 6,387.83 × 1,297.01
  4. Step 4: Simplify right side
    4,258.70x = 8,285,040.96
  5. Step 5: Solve for x
    x = 8,285,040.96/4,258.70
  6. Step 6: Final answer
    x = 1,945.44

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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.