Home / 7,945.41-11,914.41-2,947.58

Finding the Fourth Proportional to 7,945.41, 11,914.41 and 2,947.58

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Solution

The fourth proportional to 7,945.41, 11,914.41 and 2,947.58 is: 4,419.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.41 : 11,914.41 = 2,947.58 : x
  2. Step 2: Convert to fraction form
    7,945.41/11,914.41 = 2,947.58/x
  3. Step 3: Cross multiply
    7,945.41x = 11,914.41 × 2,947.58
  4. Step 4: Simplify right side
    7,945.41x = 35,118,617.06
  5. Step 5: Solve for x
    x = 35,118,617.06/7,945.41
  6. Step 6: Final answer
    x = 4,419.99

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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.