Home / 6,228.81-9,340.74-3,107.70

Finding the Fourth Proportional to 6,228.81, 9,340.74 and 3,107.70

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Solution

The fourth proportional to 6,228.81, 9,340.74 and 3,107.70 is: 4,660.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228.81 : 9,340.74 = 3,107.70 : x
  2. Step 2: Convert to fraction form
    6,228.81/9,340.74 = 3,107.70/x
  3. Step 3: Cross multiply
    6,228.81x = 9,340.74 × 3,107.70
  4. Step 4: Simplify right side
    6,228.81x = 29,028,217.70
  5. Step 5: Solve for x
    x = 29,028,217.70/6,228.81
  6. Step 6: Final answer
    x = 4,660.32

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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.