Home / 6,664.46-9,994.80-1,984.28

Finding the Fourth Proportional to 6,664.46, 9,994.80 and 1,984.28

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Solution

The fourth proportional to 6,664.46, 9,994.80 and 1,984.28 is: 2,975.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.46 : 9,994.80 = 1,984.28 : x
  2. Step 2: Convert to fraction form
    6,664.46/9,994.80 = 1,984.28/x
  3. Step 3: Cross multiply
    6,664.46x = 9,994.80 × 1,984.28
  4. Step 4: Simplify right side
    6,664.46x = 19,832,481.74
  5. Step 5: Solve for x
    x = 19,832,481.74/6,664.46
  6. Step 6: Final answer
    x = 2,975.86

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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.