Home / 8,379.19-11,563.57-4,794.74

Finding the Fourth Proportional to 8,379.19, 11,563.57 and 4,794.74

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Solution

The fourth proportional to 8,379.19, 11,563.57 and 4,794.74 is: 6,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.19 : 11,563.57 = 4,794.74 : x
  2. Step 2: Convert to fraction form
    8,379.19/11,563.57 = 4,794.74/x
  3. Step 3: Cross multiply
    8,379.19x = 11,563.57 × 4,794.74
  4. Step 4: Simplify right side
    8,379.19x = 55,444,287.65
  5. Step 5: Solve for x
    x = 55,444,287.65/8,379.19
  6. Step 6: Final answer
    x = 6,616.90

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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.