Home / 9,191.09-13,789.07-4,807.37

Finding the Fourth Proportional to 9,191.09, 13,789.07 and 4,807.37

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Solution

The fourth proportional to 9,191.09, 13,789.07 and 4,807.37 is: 7,212.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.09 : 13,789.07 = 4,807.37 : x
  2. Step 2: Convert to fraction form
    9,191.09/13,789.07 = 4,807.37/x
  3. Step 3: Cross multiply
    9,191.09x = 13,789.07 × 4,807.37
  4. Step 4: Simplify right side
    9,191.09x = 66,289,189.91
  5. Step 5: Solve for x
    x = 66,289,189.91/9,191.09
  6. Step 6: Final answer
    x = 7,212.33

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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.