Home / 4,069.76-6,107.16-1,878.80

Finding the Fourth Proportional to 4,069.76, 6,107.16 and 1,878.80

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Solution

The fourth proportional to 4,069.76, 6,107.16 and 1,878.80 is: 2,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.76 : 6,107.16 = 1,878.80 : x
  2. Step 2: Convert to fraction form
    4,069.76/6,107.16 = 1,878.80/x
  3. Step 3: Cross multiply
    4,069.76x = 6,107.16 × 1,878.80
  4. Step 4: Simplify right side
    4,069.76x = 11,474,132.21
  5. Step 5: Solve for x
    x = 11,474,132.21/4,069.76
  6. Step 6: Final answer
    x = 2,819.36

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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.