Home / 4,007.67-6,009.96-1,668.78

Finding the Fourth Proportional to 4,007.67, 6,009.96 and 1,668.78

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Solution

The fourth proportional to 4,007.67, 6,009.96 and 1,668.78 is: 2,502.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.67 : 6,009.96 = 1,668.78 : x
  2. Step 2: Convert to fraction form
    4,007.67/6,009.96 = 1,668.78/x
  3. Step 3: Cross multiply
    4,007.67x = 6,009.96 × 1,668.78
  4. Step 4: Simplify right side
    4,007.67x = 10,029,290.40
  5. Step 5: Solve for x
    x = 10,029,290.40/4,007.67
  6. Step 6: Final answer
    x = 2,502.52

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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.