Home / 4,258.71-6,391.73-1,663.47

Finding the Fourth Proportional to 4,258.71, 6,391.73 and 1,663.47

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Solution

The fourth proportional to 4,258.71, 6,391.73 and 1,663.47 is: 2,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.71 : 6,391.73 = 1,663.47 : x
  2. Step 2: Convert to fraction form
    4,258.71/6,391.73 = 1,663.47/x
  3. Step 3: Cross multiply
    4,258.71x = 6,391.73 × 1,663.47
  4. Step 4: Simplify right side
    4,258.71x = 10,632,451.10
  5. Step 5: Solve for x
    x = 10,632,451.10/4,258.71
  6. Step 6: Final answer
    x = 2,496.64

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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.