Home / 5,639.82-7,783.86-3,371.01

Finding the Fourth Proportional to 5,639.82, 7,783.86 and 3,371.01

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Solution

The fourth proportional to 5,639.82, 7,783.86 and 3,371.01 is: 4,652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.82 : 7,783.86 = 3,371.01 : x
  2. Step 2: Convert to fraction form
    5,639.82/7,783.86 = 3,371.01/x
  3. Step 3: Cross multiply
    5,639.82x = 7,783.86 × 3,371.01
  4. Step 4: Simplify right side
    5,639.82x = 26,239,469.90
  5. Step 5: Solve for x
    x = 26,239,469.90/5,639.82
  6. Step 6: Final answer
    x = 4,652.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.