Home / 9,191.70-13,783.47-2,616.39

Finding the Fourth Proportional to 9,191.70, 13,783.47 and 2,616.39

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Solution

The fourth proportional to 9,191.70, 13,783.47 and 2,616.39 is: 3,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.70 : 13,783.47 = 2,616.39 : x
  2. Step 2: Convert to fraction form
    9,191.70/13,783.47 = 2,616.39/x
  3. Step 3: Cross multiply
    9,191.70x = 13,783.47 × 2,616.39
  4. Step 4: Simplify right side
    9,191.70x = 36,062,933.07
  5. Step 5: Solve for x
    x = 36,062,933.07/9,191.70
  6. Step 6: Final answer
    x = 3,923.42

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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.