Home / 4,458.73-6,679.16-2,121

Finding the Fourth Proportional to 4,458.73, 6,679.16 and 2,121

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Solution

The fourth proportional to 4,458.73, 6,679.16 and 2,121 is: 3,177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.73 : 6,679.16 = 2,121 : x
  2. Step 2: Convert to fraction form
    4,458.73/6,679.16 = 2,121/x
  3. Step 3: Cross multiply
    4,458.73x = 6,679.16 × 2,121
  4. Step 4: Simplify right side
    4,458.73x = 14,166,498.36
  5. Step 5: Solve for x
    x = 14,166,498.36/4,458.73
  6. Step 6: Final answer
    x = 3,177.25

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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.