Home / 6,664.48-9,993.60-1,982.76

Finding the Fourth Proportional to 6,664.48, 9,993.60 and 1,982.76

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Solution

The fourth proportional to 6,664.48, 9,993.60 and 1,982.76 is: 2,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.48 : 9,993.60 = 1,982.76 : x
  2. Step 2: Convert to fraction form
    6,664.48/9,993.60 = 1,982.76/x
  3. Step 3: Cross multiply
    6,664.48x = 9,993.60 × 1,982.76
  4. Step 4: Simplify right side
    6,664.48x = 19,814,910.34
  5. Step 5: Solve for x
    x = 19,814,910.34/6,664.48
  6. Step 6: Final answer
    x = 2,973.21

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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.