Home / 5,519.27-8,279.06-1,623.80

Finding the Fourth Proportional to 5,519.27, 8,279.06 and 1,623.80

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Solution

The fourth proportional to 5,519.27, 8,279.06 and 1,623.80 is: 2,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.27 : 8,279.06 = 1,623.80 : x
  2. Step 2: Convert to fraction form
    5,519.27/8,279.06 = 1,623.80/x
  3. Step 3: Cross multiply
    5,519.27x = 8,279.06 × 1,623.80
  4. Step 4: Simplify right side
    5,519.27x = 13,443,537.63
  5. Step 5: Solve for x
    x = 13,443,537.63/5,519.27
  6. Step 6: Final answer
    x = 2,435.75

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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.