Home / 7,945.14-11,918.94-4,047.42

Finding the Fourth Proportional to 7,945.14, 11,918.94 and 4,047.42

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Solution

The fourth proportional to 7,945.14, 11,918.94 and 4,047.42 is: 6,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.14 : 11,918.94 = 4,047.42 : x
  2. Step 2: Convert to fraction form
    7,945.14/11,918.94 = 4,047.42/x
  3. Step 3: Cross multiply
    7,945.14x = 11,918.94 × 4,047.42
  4. Step 4: Simplify right side
    7,945.14x = 48,240,956.13
  5. Step 5: Solve for x
    x = 48,240,956.13/7,945.14
  6. Step 6: Final answer
    x = 6,071.76

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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.