Home / 4,009.31-6,009.49-1,668.54

Finding the Fourth Proportional to 4,009.31, 6,009.49 and 1,668.54

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Solution

The fourth proportional to 4,009.31, 6,009.49 and 1,668.54 is: 2,500.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009.31 : 6,009.49 = 1,668.54 : x
  2. Step 2: Convert to fraction form
    4,009.31/6,009.49 = 1,668.54/x
  3. Step 3: Cross multiply
    4,009.31x = 6,009.49 × 1,668.54
  4. Step 4: Simplify right side
    4,009.31x = 10,027,082.16
  5. Step 5: Solve for x
    x = 10,027,082.16/4,009.31
  6. Step 6: Final answer
    x = 2,500.95

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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.