Home / 4,258.25-6,387.38-1,296.71

Finding the Fourth Proportional to 4,258.25, 6,387.38 and 1,296.71

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Solution

The fourth proportional to 4,258.25, 6,387.38 and 1,296.71 is: 1,945.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.25 : 6,387.38 = 1,296.71 : x
  2. Step 2: Convert to fraction form
    4,258.25/6,387.38 = 1,296.71/x
  3. Step 3: Cross multiply
    4,258.25x = 6,387.38 × 1,296.71
  4. Step 4: Simplify right side
    4,258.25x = 8,282,541.10
  5. Step 5: Solve for x
    x = 8,282,541.10/4,258.25
  6. Step 6: Final answer
    x = 1,945.06

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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.