Home / 6,132.49-9,198.52-1,972.78

Finding the Fourth Proportional to 6,132.49, 9,198.52 and 1,972.78

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Solution

The fourth proportional to 6,132.49, 9,198.52 and 1,972.78 is: 2,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,132.49 : 9,198.52 = 1,972.78 : x
  2. Step 2: Convert to fraction form
    6,132.49/9,198.52 = 1,972.78/x
  3. Step 3: Cross multiply
    6,132.49x = 9,198.52 × 1,972.78
  4. Step 4: Simplify right side
    6,132.49x = 18,146,628.36
  5. Step 5: Solve for x
    x = 18,146,628.36/6,132.49
  6. Step 6: Final answer
    x = 2,959.10

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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.