Home / 5,424.83-8,137.25-1,676.69

Finding the Fourth Proportional to 5,424.83, 8,137.25 and 1,676.69

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Solution

The fourth proportional to 5,424.83, 8,137.25 and 1,676.69 is: 2,515.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.83 : 8,137.25 = 1,676.69 : x
  2. Step 2: Convert to fraction form
    5,424.83/8,137.25 = 1,676.69/x
  3. Step 3: Cross multiply
    5,424.83x = 8,137.25 × 1,676.69
  4. Step 4: Simplify right side
    5,424.83x = 13,643,596.63
  5. Step 5: Solve for x
    x = 13,643,596.63/5,424.83
  6. Step 6: Final answer
    x = 2,515.03

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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.