Home / 5,511.87-8,264.69-1,813.11

Finding the Fourth Proportional to 5,511.87, 8,264.69 and 1,813.11

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Solution

The fourth proportional to 5,511.87, 8,264.69 and 1,813.11 is: 2,718.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.87 : 8,264.69 = 1,813.11 : x
  2. Step 2: Convert to fraction form
    5,511.87/8,264.69 = 1,813.11/x
  3. Step 3: Cross multiply
    5,511.87x = 8,264.69 × 1,813.11
  4. Step 4: Simplify right side
    5,511.87x = 14,984,758.83
  5. Step 5: Solve for x
    x = 14,984,758.83/5,511.87
  6. Step 6: Final answer
    x = 2,718.63

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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.