Home / 5,112.09-7,669.02-1,414.23

Finding the Fourth Proportional to 5,112.09, 7,669.02 and 1,414.23

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Solution

The fourth proportional to 5,112.09, 7,669.02 and 1,414.23 is: 2,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.09 : 7,669.02 = 1,414.23 : x
  2. Step 2: Convert to fraction form
    5,112.09/7,669.02 = 1,414.23/x
  3. Step 3: Cross multiply
    5,112.09x = 7,669.02 × 1,414.23
  4. Step 4: Simplify right side
    5,112.09x = 10,845,758.15
  5. Step 5: Solve for x
    x = 10,845,758.15/5,112.09
  6. Step 6: Final answer
    x = 2,121.59

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1.5x scale

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.