Home / 4,615.35-6,921.73-1,982.75

Finding the Fourth Proportional to 4,615.35, 6,921.73 and 1,982.75

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Solution

The fourth proportional to 4,615.35, 6,921.73 and 1,982.75 is: 2,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.35 : 6,921.73 = 1,982.75 : x
  2. Step 2: Convert to fraction form
    4,615.35/6,921.73 = 1,982.75/x
  3. Step 3: Cross multiply
    4,615.35x = 6,921.73 × 1,982.75
  4. Step 4: Simplify right side
    4,615.35x = 13,724,028.03
  5. Step 5: Solve for x
    x = 13,724,028.03/4,615.35
  6. Step 6: Final answer
    x = 2,973.56

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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.