Home / 4,351.08-6,512.85-2,789.00

Finding the Fourth Proportional to 4,351.08, 6,512.85 and 2,789.00

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Solution

The fourth proportional to 4,351.08, 6,512.85 and 2,789.00 is: 4,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,351.08 : 6,512.85 = 2,789.00 : x
  2. Step 2: Convert to fraction form
    4,351.08/6,512.85 = 2,789.00/x
  3. Step 3: Cross multiply
    4,351.08x = 6,512.85 × 2,789.00
  4. Step 4: Simplify right side
    4,351.08x = 18,164,306.09
  5. Step 5: Solve for x
    x = 18,164,306.09/4,351.08
  6. Step 6: Final answer
    x = 4,174.67

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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.