Home / 4,284-5,911.68-3,106.56

Finding the Fourth Proportional to 4,284, 5,911.68 and 3,106.56

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Solution

The fourth proportional to 4,284, 5,911.68 and 3,106.56 is: 4,286.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284 : 5,911.68 = 3,106.56 : x
  2. Step 2: Convert to fraction form
    4,284/5,911.68 = 3,106.56/x
  3. Step 3: Cross multiply
    4,284x = 5,911.68 × 3,106.56
  4. Step 4: Simplify right side
    4,284x = 18,364,988.62
  5. Step 5: Solve for x
    x = 18,364,988.62/4,284
  6. Step 6: Final answer
    x = 4,286.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.