Home / 5,104.20-7,043.57-2,866.03

Finding the Fourth Proportional to 5,104.20, 7,043.57 and 2,866.03

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Solution

The fourth proportional to 5,104.20, 7,043.57 and 2,866.03 is: 3,954.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.20 : 7,043.57 = 2,866.03 : x
  2. Step 2: Convert to fraction form
    5,104.20/7,043.57 = 2,866.03/x
  3. Step 3: Cross multiply
    5,104.20x = 7,043.57 × 2,866.03
  4. Step 4: Simplify right side
    5,104.20x = 20,187,050.99
  5. Step 5: Solve for x
    x = 20,187,050.99/5,104.20
  6. Step 6: Final answer
    x = 3,954.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.