Home / 5,511.65-8,268.52-1,814.95

Finding the Fourth Proportional to 5,511.65, 8,268.52 and 1,814.95

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Solution

The fourth proportional to 5,511.65, 8,268.52 and 1,814.95 is: 2,722.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.65 : 8,268.52 = 1,814.95 : x
  2. Step 2: Convert to fraction form
    5,511.65/8,268.52 = 1,814.95/x
  3. Step 3: Cross multiply
    5,511.65x = 8,268.52 × 1,814.95
  4. Step 4: Simplify right side
    5,511.65x = 15,006,950.37
  5. Step 5: Solve for x
    x = 15,006,950.37/5,511.65
  6. Step 6: Final answer
    x = 2,722.77

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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.