Home / 7,383.28-11,076.04-2,639.08

Finding the Fourth Proportional to 7,383.28, 11,076.04 and 2,639.08

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Solution

The fourth proportional to 7,383.28, 11,076.04 and 2,639.08 is: 3,959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.28 : 11,076.04 = 2,639.08 : x
  2. Step 2: Convert to fraction form
    7,383.28/11,076.04 = 2,639.08/x
  3. Step 3: Cross multiply
    7,383.28x = 11,076.04 × 2,639.08
  4. Step 4: Simplify right side
    7,383.28x = 29,230,555.64
  5. Step 5: Solve for x
    x = 29,230,555.64/7,383.28
  6. Step 6: Final answer
    x = 3,959.02

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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.