Home / 4,410.96-6,615-1,945.68

Finding the Fourth Proportional to 4,410.96, 6,615 and 1,945.68

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Solution

The fourth proportional to 4,410.96, 6,615 and 1,945.68 is: 2,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,410.96 : 6,615 = 1,945.68 : x
  2. Step 2: Convert to fraction form
    4,410.96/6,615 = 1,945.68/x
  3. Step 3: Cross multiply
    4,410.96x = 6,615 × 1,945.68
  4. Step 4: Simplify right side
    4,410.96x = 12,870,673.20
  5. Step 5: Solve for x
    x = 12,870,673.20/4,410.96
  6. Step 6: Final answer
    x = 2,917.88

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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.