Home / 6,939.81-10,412.28-3,243.24

Finding the Fourth Proportional to 6,939.81, 10,412.28 and 3,243.24

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Solution

The fourth proportional to 6,939.81, 10,412.28 and 3,243.24 is: 4,866.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.81 : 10,412.28 = 3,243.24 : x
  2. Step 2: Convert to fraction form
    6,939.81/10,412.28 = 3,243.24/x
  3. Step 3: Cross multiply
    6,939.81x = 10,412.28 × 3,243.24
  4. Step 4: Simplify right side
    6,939.81x = 33,769,522.99
  5. Step 5: Solve for x
    x = 33,769,522.99/6,939.81
  6. Step 6: Final answer
    x = 4,866.06

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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.