Home / 4,258.36-6,386.86-2,179.90

Finding the Fourth Proportional to 4,258.36, 6,386.86 and 2,179.90

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Solution

The fourth proportional to 4,258.36, 6,386.86 and 2,179.90 is: 3,269.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.36 : 6,386.86 = 2,179.90 : x
  2. Step 2: Convert to fraction form
    4,258.36/6,386.86 = 2,179.90/x
  3. Step 3: Cross multiply
    4,258.36x = 6,386.86 × 2,179.90
  4. Step 4: Simplify right side
    4,258.36x = 13,922,716.11
  5. Step 5: Solve for x
    x = 13,922,716.11/4,258.36
  6. Step 6: Final answer
    x = 3,269.50

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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.