Home / 4,123.09-6,179.64-1,782.46

Finding the Fourth Proportional to 4,123.09, 6,179.64 and 1,782.46

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Solution

The fourth proportional to 4,123.09, 6,179.64 and 1,782.46 is: 2,671.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.09 : 6,179.64 = 1,782.46 : x
  2. Step 2: Convert to fraction form
    4,123.09/6,179.64 = 1,782.46/x
  3. Step 3: Cross multiply
    4,123.09x = 6,179.64 × 1,782.46
  4. Step 4: Simplify right side
    4,123.09x = 11,014,961.11
  5. Step 5: Solve for x
    x = 11,014,961.11/4,123.09
  6. Step 6: Final answer
    x = 2,671.53

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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.