Home / 6,765.54-10,149.32-2,085.16

Finding the Fourth Proportional to 6,765.54, 10,149.32 and 2,085.16

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Solution

The fourth proportional to 6,765.54, 10,149.32 and 2,085.16 is: 3,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.54 : 10,149.32 = 2,085.16 : x
  2. Step 2: Convert to fraction form
    6,765.54/10,149.32 = 2,085.16/x
  3. Step 3: Cross multiply
    6,765.54x = 10,149.32 × 2,085.16
  4. Step 4: Simplify right side
    6,765.54x = 21,162,894.92
  5. Step 5: Solve for x
    x = 21,162,894.92/6,765.54
  6. Step 6: Final answer
    x = 3,128.04

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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.