Home / 4,458.21-6,673.37-2,978.61

Finding the Fourth Proportional to 4,458.21, 6,673.37 and 2,978.61

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Solution

The fourth proportional to 4,458.21, 6,673.37 and 2,978.61 is: 4,458.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.21 : 6,673.37 = 2,978.61 : x
  2. Step 2: Convert to fraction form
    4,458.21/6,673.37 = 2,978.61/x
  3. Step 3: Cross multiply
    4,458.21x = 6,673.37 × 2,978.61
  4. Step 4: Simplify right side
    4,458.21x = 19,877,351.72
  5. Step 5: Solve for x
    x = 19,877,351.72/4,458.21
  6. Step 6: Final answer
    x = 4,458.59

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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.