Home / 5,620.69-8,426.87-2,696.21

Finding the Fourth Proportional to 5,620.69, 8,426.87 and 2,696.21

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Solution

The fourth proportional to 5,620.69, 8,426.87 and 2,696.21 is: 4,042.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.69 : 8,426.87 = 2,696.21 : x
  2. Step 2: Convert to fraction form
    5,620.69/8,426.87 = 2,696.21/x
  3. Step 3: Cross multiply
    5,620.69x = 8,426.87 × 2,696.21
  4. Step 4: Simplify right side
    5,620.69x = 22,720,611.16
  5. Step 5: Solve for x
    x = 22,720,611.16/5,620.69
  6. Step 6: Final answer
    x = 4,042.32

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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.