Home / 4,684.87-7,021.77-1,910.08

Finding the Fourth Proportional to 4,684.87, 7,021.77 and 1,910.08

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Solution

The fourth proportional to 4,684.87, 7,021.77 and 1,910.08 is: 2,862.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.87 : 7,021.77 = 1,910.08 : x
  2. Step 2: Convert to fraction form
    4,684.87/7,021.77 = 1,910.08/x
  3. Step 3: Cross multiply
    4,684.87x = 7,021.77 × 1,910.08
  4. Step 4: Simplify right side
    4,684.87x = 13,412,142.44
  5. Step 5: Solve for x
    x = 13,412,142.44/4,684.87
  6. Step 6: Final answer
    x = 2,862.86

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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.