Home / 6,470.91-9,707.82-2,311.35

Finding the Fourth Proportional to 6,470.91, 9,707.82 and 2,311.35

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Solution

The fourth proportional to 6,470.91, 9,707.82 and 2,311.35 is: 3,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.91 : 9,707.82 = 2,311.35 : x
  2. Step 2: Convert to fraction form
    6,470.91/9,707.82 = 2,311.35/x
  3. Step 3: Cross multiply
    6,470.91x = 9,707.82 × 2,311.35
  4. Step 4: Simplify right side
    6,470.91x = 22,438,169.76
  5. Step 5: Solve for x
    x = 22,438,169.76/6,470.91
  6. Step 6: Final answer
    x = 3,467.54

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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.