Home / 4,378.38-6,568.51-1,258.36

Finding the Fourth Proportional to 4,378.38, 6,568.51 and 1,258.36

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Solution

The fourth proportional to 4,378.38, 6,568.51 and 1,258.36 is: 1,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.38 : 6,568.51 = 1,258.36 : x
  2. Step 2: Convert to fraction form
    4,378.38/6,568.51 = 1,258.36/x
  3. Step 3: Cross multiply
    4,378.38x = 6,568.51 × 1,258.36
  4. Step 4: Simplify right side
    4,378.38x = 8,265,530.68
  5. Step 5: Solve for x
    x = 8,265,530.68/4,378.38
  6. Step 6: Final answer
    x = 1,887.81

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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.