Home / 6,720.75-10,084.77-3,258

Finding the Fourth Proportional to 6,720.75, 10,084.77 and 3,258

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Solution

The fourth proportional to 6,720.75, 10,084.77 and 3,258 is: 4,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.75 : 10,084.77 = 3,258 : x
  2. Step 2: Convert to fraction form
    6,720.75/10,084.77 = 3,258/x
  3. Step 3: Cross multiply
    6,720.75x = 10,084.77 × 3,258
  4. Step 4: Simplify right side
    6,720.75x = 32,856,180.66
  5. Step 5: Solve for x
    x = 32,856,180.66/6,720.75
  6. Step 6: Final answer
    x = 4,888.77

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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.