Home / 4,071.49-6,105.11-1,878.35

Finding the Fourth Proportional to 4,071.49, 6,105.11 and 1,878.35

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Solution

The fourth proportional to 4,071.49, 6,105.11 and 1,878.35 is: 2,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.49 : 6,105.11 = 1,878.35 : x
  2. Step 2: Convert to fraction form
    4,071.49/6,105.11 = 1,878.35/x
  3. Step 3: Cross multiply
    4,071.49x = 6,105.11 × 1,878.35
  4. Step 4: Simplify right side
    4,071.49x = 11,467,493.45
  5. Step 5: Solve for x
    x = 11,467,493.45/4,071.49
  6. Step 6: Final answer
    x = 2,816.54

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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.