Home / 4,070.39-6,107.81-1,879.07

Finding the Fourth Proportional to 4,070.39, 6,107.81 and 1,879.07

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Solution

The fourth proportional to 4,070.39, 6,107.81 and 1,879.07 is: 2,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.39 : 6,107.81 = 1,879.07 : x
  2. Step 2: Convert to fraction form
    4,070.39/6,107.81 = 1,879.07/x
  3. Step 3: Cross multiply
    4,070.39x = 6,107.81 × 1,879.07
  4. Step 4: Simplify right side
    4,070.39x = 11,476,962.60
  5. Step 5: Solve for x
    x = 11,476,962.60/4,070.39
  6. Step 6: Final answer
    x = 2,819.63

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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.