Home / 4,458.26-6,690.63-2,151.38

Finding the Fourth Proportional to 4,458.26, 6,690.63 and 2,151.38

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Solution

The fourth proportional to 4,458.26, 6,690.63 and 2,151.38 is: 3,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.26 : 6,690.63 = 2,151.38 : x
  2. Step 2: Convert to fraction form
    4,458.26/6,690.63 = 2,151.38/x
  3. Step 3: Cross multiply
    4,458.26x = 6,690.63 × 2,151.38
  4. Step 4: Simplify right side
    4,458.26x = 14,394,054.12
  5. Step 5: Solve for x
    x = 14,394,054.12/4,458.26
  6. Step 6: Final answer
    x = 3,228.63

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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.