Home / 8,927.42-13,389.30-3,378.85

Finding the Fourth Proportional to 8,927.42, 13,389.30 and 3,378.85

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Solution

The fourth proportional to 8,927.42, 13,389.30 and 3,378.85 is: 5,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.42 : 13,389.30 = 3,378.85 : x
  2. Step 2: Convert to fraction form
    8,927.42/13,389.30 = 3,378.85/x
  3. Step 3: Cross multiply
    8,927.42x = 13,389.30 × 3,378.85
  4. Step 4: Simplify right side
    8,927.42x = 45,240,402.83
  5. Step 5: Solve for x
    x = 45,240,402.83/8,927.42
  6. Step 6: Final answer
    x = 5,067.58

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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.