Home / 7,945.70-10,964.97-4,409.03

Finding the Fourth Proportional to 7,945.70, 10,964.97 and 4,409.03

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Solution

The fourth proportional to 7,945.70, 10,964.97 and 4,409.03 is: 6,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.70 : 10,964.97 = 4,409.03 : x
  2. Step 2: Convert to fraction form
    7,945.70/10,964.97 = 4,409.03/x
  3. Step 3: Cross multiply
    7,945.70x = 10,964.97 × 4,409.03
  4. Step 4: Simplify right side
    7,945.70x = 48,344,909.09
  5. Step 5: Solve for x
    x = 48,344,909.09/7,945.70
  6. Step 6: Final answer
    x = 6,084.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.