Home / 9,119.16-13,678.74-3,274.38

Finding the Fourth Proportional to 9,119.16, 13,678.74 and 3,274.38

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Solution

The fourth proportional to 9,119.16, 13,678.74 and 3,274.38 is: 4,911.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.16 : 13,678.74 = 3,274.38 : x
  2. Step 2: Convert to fraction form
    9,119.16/13,678.74 = 3,274.38/x
  3. Step 3: Cross multiply
    9,119.16x = 13,678.74 × 3,274.38
  4. Step 4: Simplify right side
    9,119.16x = 44,789,392.68
  5. Step 5: Solve for x
    x = 44,789,392.68/9,119.16
  6. Step 6: Final answer
    x = 4,911.57

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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.