Home / 5,340.10-8,012.23-2,219.33

Finding the Fourth Proportional to 5,340.10, 8,012.23 and 2,219.33

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Solution

The fourth proportional to 5,340.10, 8,012.23 and 2,219.33 is: 3,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.10 : 8,012.23 = 2,219.33 : x
  2. Step 2: Convert to fraction form
    5,340.10/8,012.23 = 2,219.33/x
  3. Step 3: Cross multiply
    5,340.10x = 8,012.23 × 2,219.33
  4. Step 4: Simplify right side
    5,340.10x = 17,781,736.80
  5. Step 5: Solve for x
    x = 17,781,736.80/5,340.10
  6. Step 6: Final answer
    x = 3,329.85

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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.