Home / 5,519.22-8,280.12-1,623.94

Finding the Fourth Proportional to 5,519.22, 8,280.12 and 1,623.94

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Solution

The fourth proportional to 5,519.22, 8,280.12 and 1,623.94 is: 2,436.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.22 : 8,280.12 = 1,623.94 : x
  2. Step 2: Convert to fraction form
    5,519.22/8,280.12 = 1,623.94/x
  3. Step 3: Cross multiply
    5,519.22x = 8,280.12 × 1,623.94
  4. Step 4: Simplify right side
    5,519.22x = 13,446,418.07
  5. Step 5: Solve for x
    x = 13,446,418.07/5,519.22
  6. Step 6: Final answer
    x = 2,436.29

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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.