Home / 9,785.05-14,680-2,859.55

Finding the Fourth Proportional to 9,785.05, 14,680 and 2,859.55

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Solution

The fourth proportional to 9,785.05, 14,680 and 2,859.55 is: 4,290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.05 : 14,680 = 2,859.55 : x
  2. Step 2: Convert to fraction form
    9,785.05/14,680 = 2,859.55/x
  3. Step 3: Cross multiply
    9,785.05x = 14,680 × 2,859.55
  4. Step 4: Simplify right side
    9,785.05x = 41,978,120.60
  5. Step 5: Solve for x
    x = 41,978,120.60/9,785.05
  6. Step 6: Final answer
    x = 4,290.03

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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.