Home / 7,804.32-11,707.48-2,874.02

Finding the Fourth Proportional to 7,804.32, 11,707.48 and 2,874.02

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Solution

The fourth proportional to 7,804.32, 11,707.48 and 2,874.02 is: 4,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.32 : 11,707.48 = 2,874.02 : x
  2. Step 2: Convert to fraction form
    7,804.32/11,707.48 = 2,874.02/x
  3. Step 3: Cross multiply
    7,804.32x = 11,707.48 × 2,874.02
  4. Step 4: Simplify right side
    7,804.32x = 33,647,531.67
  5. Step 5: Solve for x
    x = 33,647,531.67/7,804.32
  6. Step 6: Final answer
    x = 4,311.40

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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.