Home / 8,258.50-11,393.48-4,719.81

Finding the Fourth Proportional to 8,258.50, 11,393.48 and 4,719.81

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Solution

The fourth proportional to 8,258.50, 11,393.48 and 4,719.81 is: 6,511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.50 : 11,393.48 = 4,719.81 : x
  2. Step 2: Convert to fraction form
    8,258.50/11,393.48 = 4,719.81/x
  3. Step 3: Cross multiply
    8,258.50x = 11,393.48 × 4,719.81
  4. Step 4: Simplify right side
    8,258.50x = 53,775,072.64
  5. Step 5: Solve for x
    x = 53,775,072.64/8,258.50
  6. Step 6: Final answer
    x = 6,511.48

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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.