Home / 7,671.91-11,518.64-3,926.36

Finding the Fourth Proportional to 7,671.91, 11,518.64 and 3,926.36

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Solution

The fourth proportional to 7,671.91, 11,518.64 and 3,926.36 is: 5,895.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671.91 : 11,518.64 = 3,926.36 : x
  2. Step 2: Convert to fraction form
    7,671.91/11,518.64 = 3,926.36/x
  3. Step 3: Cross multiply
    7,671.91x = 11,518.64 × 3,926.36
  4. Step 4: Simplify right side
    7,671.91x = 45,226,336.52
  5. Step 5: Solve for x
    x = 45,226,336.52/7,671.91
  6. Step 6: Final answer
    x = 5,895.06

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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.