Home / 4,266.22-6,400.43-1,668.30

Finding the Fourth Proportional to 4,266.22, 6,400.43 and 1,668.30

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Solution

The fourth proportional to 4,266.22, 6,400.43 and 1,668.30 is: 2,502.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.22 : 6,400.43 = 1,668.30 : x
  2. Step 2: Convert to fraction form
    4,266.22/6,400.43 = 1,668.30/x
  3. Step 3: Cross multiply
    4,266.22x = 6,400.43 × 1,668.30
  4. Step 4: Simplify right side
    4,266.22x = 10,677,837.37
  5. Step 5: Solve for x
    x = 10,677,837.37/4,266.22
  6. Step 6: Final answer
    x = 2,502.88

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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.