Home / 6,318.60-9,476.70-1,936.20

Finding the Fourth Proportional to 6,318.60, 9,476.70 and 1,936.20

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Solution

The fourth proportional to 6,318.60, 9,476.70 and 1,936.20 is: 2,903.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.60 : 9,476.70 = 1,936.20 : x
  2. Step 2: Convert to fraction form
    6,318.60/9,476.70 = 1,936.20/x
  3. Step 3: Cross multiply
    6,318.60x = 9,476.70 × 1,936.20
  4. Step 4: Simplify right side
    6,318.60x = 18,348,786.54
  5. Step 5: Solve for x
    x = 18,348,786.54/6,318.60
  6. Step 6: Final answer
    x = 2,903.93

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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.