Home / 4,650.91-6,974.53-1,688.65

Finding the Fourth Proportional to 4,650.91, 6,974.53 and 1,688.65

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Solution

The fourth proportional to 4,650.91, 6,974.53 and 1,688.65 is: 2,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.91 : 6,974.53 = 1,688.65 : x
  2. Step 2: Convert to fraction form
    4,650.91/6,974.53 = 1,688.65/x
  3. Step 3: Cross multiply
    4,650.91x = 6,974.53 × 1,688.65
  4. Step 4: Simplify right side
    4,650.91x = 11,777,540.08
  5. Step 5: Solve for x
    x = 11,777,540.08/4,650.91
  6. Step 6: Final answer
    x = 2,532.31

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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.