Home / 5,928.30-8,896.74-2,639.70

Finding the Fourth Proportional to 5,928.30, 8,896.74 and 2,639.70

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Solution

The fourth proportional to 5,928.30, 8,896.74 and 2,639.70 is: 3,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.30 : 8,896.74 = 2,639.70 : x
  2. Step 2: Convert to fraction form
    5,928.30/8,896.74 = 2,639.70/x
  3. Step 3: Cross multiply
    5,928.30x = 8,896.74 × 2,639.70
  4. Step 4: Simplify right side
    5,928.30x = 23,484,724.58
  5. Step 5: Solve for x
    x = 23,484,724.58/5,928.30
  6. Step 6: Final answer
    x = 3,961.46

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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.