Home / 4,451.21-6,681.15-2,144.33

Finding the Fourth Proportional to 4,451.21, 6,681.15 and 2,144.33

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Solution

The fourth proportional to 4,451.21, 6,681.15 and 2,144.33 is: 3,218.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.21 : 6,681.15 = 2,144.33 : x
  2. Step 2: Convert to fraction form
    4,451.21/6,681.15 = 2,144.33/x
  3. Step 3: Cross multiply
    4,451.21x = 6,681.15 × 2,144.33
  4. Step 4: Simplify right side
    4,451.21x = 14,326,590.38
  5. Step 5: Solve for x
    x = 14,326,590.38/4,451.21
  6. Step 6: Final answer
    x = 3,218.58

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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.