Home / 8,879.08-13,320.78-3,950.32

Finding the Fourth Proportional to 8,879.08, 13,320.78 and 3,950.32

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Solution

The fourth proportional to 8,879.08, 13,320.78 and 3,950.32 is: 5,926.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.08 : 13,320.78 = 3,950.32 : x
  2. Step 2: Convert to fraction form
    8,879.08/13,320.78 = 3,950.32/x
  3. Step 3: Cross multiply
    8,879.08x = 13,320.78 × 3,950.32
  4. Step 4: Simplify right side
    8,879.08x = 52,621,343.65
  5. Step 5: Solve for x
    x = 52,621,343.65/8,879.08
  6. Step 6: Final answer
    x = 5,926.44

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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.