Home / 6,129.94-9,193.02-1,969.78

Finding the Fourth Proportional to 6,129.94, 9,193.02 and 1,969.78

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Solution

The fourth proportional to 6,129.94, 9,193.02 and 1,969.78 is: 2,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.94 : 9,193.02 = 1,969.78 : x
  2. Step 2: Convert to fraction form
    6,129.94/9,193.02 = 1,969.78/x
  3. Step 3: Cross multiply
    6,129.94x = 9,193.02 × 1,969.78
  4. Step 4: Simplify right side
    6,129.94x = 18,108,226.94
  5. Step 5: Solve for x
    x = 18,108,226.94/6,129.94
  6. Step 6: Final answer
    x = 2,954.06

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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.