Home / 6,311.91-9,468.36-1,929.41

Finding the Fourth Proportional to 6,311.91, 9,468.36 and 1,929.41

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Solution

The fourth proportional to 6,311.91, 9,468.36 and 1,929.41 is: 2,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,311.91 : 9,468.36 = 1,929.41 : x
  2. Step 2: Convert to fraction form
    6,311.91/9,468.36 = 1,929.41/x
  3. Step 3: Cross multiply
    6,311.91x = 9,468.36 × 1,929.41
  4. Step 4: Simplify right side
    6,311.91x = 18,268,348.47
  5. Step 5: Solve for x
    x = 18,268,348.47/6,311.91
  6. Step 6: Final answer
    x = 2,894.27

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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.