Home / 5,106.48-7,660.44-1,644.72

Finding the Fourth Proportional to 5,106.48, 7,660.44 and 1,644.72

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Solution

The fourth proportional to 5,106.48, 7,660.44 and 1,644.72 is: 2,467.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.48 : 7,660.44 = 1,644.72 : x
  2. Step 2: Convert to fraction form
    5,106.48/7,660.44 = 1,644.72/x
  3. Step 3: Cross multiply
    5,106.48x = 7,660.44 × 1,644.72
  4. Step 4: Simplify right side
    5,106.48x = 12,599,278.88
  5. Step 5: Solve for x
    x = 12,599,278.88/5,106.48
  6. Step 6: Final answer
    x = 2,467.31

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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.