Home / 7,945.56-11,918.16-4,679.37

Finding the Fourth Proportional to 7,945.56, 11,918.16 and 4,679.37

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Solution

The fourth proportional to 7,945.56, 11,918.16 and 4,679.37 is: 7,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.56 : 11,918.16 = 4,679.37 : x
  2. Step 2: Convert to fraction form
    7,945.56/11,918.16 = 4,679.37/x
  3. Step 3: Cross multiply
    7,945.56x = 11,918.16 × 4,679.37
  4. Step 4: Simplify right side
    7,945.56x = 55,769,480.36
  5. Step 5: Solve for x
    x = 55,769,480.36/7,945.56
  6. Step 6: Final answer
    x = 7,018.95

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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.