Home / 4,266.09-6,399.67-1,668.69

Finding the Fourth Proportional to 4,266.09, 6,399.67 and 1,668.69

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Solution

The fourth proportional to 4,266.09, 6,399.67 and 1,668.69 is: 2,503.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.09 : 6,399.67 = 1,668.69 : x
  2. Step 2: Convert to fraction form
    4,266.09/6,399.67 = 1,668.69/x
  3. Step 3: Cross multiply
    4,266.09x = 6,399.67 × 1,668.69
  4. Step 4: Simplify right side
    4,266.09x = 10,679,065.33
  5. Step 5: Solve for x
    x = 10,679,065.33/4,266.09
  6. Step 6: Final answer
    x = 2,503.24

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1.5x scale

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.