Home / 9,187.18-13,782.83-2,947.75

Finding the Fourth Proportional to 9,187.18, 13,782.83 and 2,947.75

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Solution

The fourth proportional to 9,187.18, 13,782.83 and 2,947.75 is: 4,422.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.18 : 13,782.83 = 2,947.75 : x
  2. Step 2: Convert to fraction form
    9,187.18/13,782.83 = 2,947.75/x
  3. Step 3: Cross multiply
    9,187.18x = 13,782.83 × 2,947.75
  4. Step 4: Simplify right side
    9,187.18x = 40,628,287.94
  5. Step 5: Solve for x
    x = 40,628,287.94/9,187.18
  6. Step 6: Final answer
    x = 4,422.28

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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.