Home / 8,705.26-13,059.69-4,258.54

Finding the Fourth Proportional to 8,705.26, 13,059.69 and 4,258.54

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Solution

The fourth proportional to 8,705.26, 13,059.69 and 4,258.54 is: 6,388.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,705.26 : 13,059.69 = 4,258.54 : x
  2. Step 2: Convert to fraction form
    8,705.26/13,059.69 = 4,258.54/x
  3. Step 3: Cross multiply
    8,705.26x = 13,059.69 × 4,258.54
  4. Step 4: Simplify right side
    8,705.26x = 55,615,212.25
  5. Step 5: Solve for x
    x = 55,615,212.25/8,705.26
  6. Step 6: Final answer
    x = 6,388.69

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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.