Home / 8,878.32-13,317.39-2,303.91

Finding the Fourth Proportional to 8,878.32, 13,317.39 and 2,303.91

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Solution

The fourth proportional to 8,878.32, 13,317.39 and 2,303.91 is: 3,455.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.32 : 13,317.39 = 2,303.91 : x
  2. Step 2: Convert to fraction form
    8,878.32/13,317.39 = 2,303.91/x
  3. Step 3: Cross multiply
    8,878.32x = 13,317.39 × 2,303.91
  4. Step 4: Simplify right side
    8,878.32x = 30,682,067.99
  5. Step 5: Solve for x
    x = 30,682,067.99/8,878.32
  6. Step 6: Final answer
    x = 3,455.84

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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.