Home / 4,069.83-6,106.97-1,878.78

Finding the Fourth Proportional to 4,069.83, 6,106.97 and 1,878.78

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Solution

The fourth proportional to 4,069.83, 6,106.97 and 1,878.78 is: 2,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.83 : 6,106.97 = 1,878.78 : x
  2. Step 2: Convert to fraction form
    4,069.83/6,106.97 = 1,878.78/x
  3. Step 3: Cross multiply
    4,069.83x = 6,106.97 × 1,878.78
  4. Step 4: Simplify right side
    4,069.83x = 11,473,643.70
  5. Step 5: Solve for x
    x = 11,473,643.70/4,069.83
  6. Step 6: Final answer
    x = 2,819.19

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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.