Home / 4,243.30-6,368.83-2,164.79

Finding the Fourth Proportional to 4,243.30, 6,368.83 and 2,164.79

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Solution

The fourth proportional to 4,243.30, 6,368.83 and 2,164.79 is: 3,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.30 : 6,368.83 = 2,164.79 : x
  2. Step 2: Convert to fraction form
    4,243.30/6,368.83 = 2,164.79/x
  3. Step 3: Cross multiply
    4,243.30x = 6,368.83 × 2,164.79
  4. Step 4: Simplify right side
    4,243.30x = 13,787,190.01
  5. Step 5: Solve for x
    x = 13,787,190.01/4,243.30
  6. Step 6: Final answer
    x = 3,249.17

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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.