Home / 4,258.81-6,388.89-1,336.42

Finding the Fourth Proportional to 4,258.81, 6,388.89 and 1,336.42

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Solution

The fourth proportional to 4,258.81, 6,388.89 and 1,336.42 is: 2,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.81 : 6,388.89 = 1,336.42 : x
  2. Step 2: Convert to fraction form
    4,258.81/6,388.89 = 1,336.42/x
  3. Step 3: Cross multiply
    4,258.81x = 6,388.89 × 1,336.42
  4. Step 4: Simplify right side
    4,258.81x = 8,538,240.37
  5. Step 5: Solve for x
    x = 8,538,240.37/4,258.81
  6. Step 6: Final answer
    x = 2,004.84

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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.