Home / 9,106.06-13,661.43-4,945.00

Finding the Fourth Proportional to 9,106.06, 13,661.43 and 4,945.00

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Solution

The fourth proportional to 9,106.06, 13,661.43 and 4,945.00 is: 7,418.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.06 : 13,661.43 = 4,945.00 : x
  2. Step 2: Convert to fraction form
    9,106.06/13,661.43 = 4,945.00/x
  3. Step 3: Cross multiply
    9,106.06x = 13,661.43 × 4,945.00
  4. Step 4: Simplify right side
    9,106.06x = 67,555,703.04
  5. Step 5: Solve for x
    x = 67,555,703.04/9,106.06
  6. Step 6: Final answer
    x = 7,418.77

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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.