Home / 8,258.78-11,397.20-4,481.98

Finding the Fourth Proportional to 8,258.78, 11,397.20 and 4,481.98

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Solution

The fourth proportional to 8,258.78, 11,397.20 and 4,481.98 is: 6,185.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.78 : 11,397.20 = 4,481.98 : x
  2. Step 2: Convert to fraction form
    8,258.78/11,397.20 = 4,481.98/x
  3. Step 3: Cross multiply
    8,258.78x = 11,397.20 × 4,481.98
  4. Step 4: Simplify right side
    8,258.78x = 51,081,993.96
  5. Step 5: Solve for x
    x = 51,081,993.96/8,258.78
  6. Step 6: Final answer
    x = 6,185.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.