Home / 6,648.45-9,974.64-1,968.59

Finding the Fourth Proportional to 6,648.45, 9,974.64 and 1,968.59

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Solution

The fourth proportional to 6,648.45, 9,974.64 and 1,968.59 is: 2,953.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.45 : 9,974.64 = 1,968.59 : x
  2. Step 2: Convert to fraction form
    6,648.45/9,974.64 = 1,968.59/x
  3. Step 3: Cross multiply
    6,648.45x = 9,974.64 × 1,968.59
  4. Step 4: Simplify right side
    6,648.45x = 19,635,976.56
  5. Step 5: Solve for x
    x = 19,635,976.56/6,648.45
  6. Step 6: Final answer
    x = 2,953.47

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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.