Home / 5,511.24-8,267.87-1,813.69

Finding the Fourth Proportional to 5,511.24, 8,267.87 and 1,813.69

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Solution

The fourth proportional to 5,511.24, 8,267.87 and 1,813.69 is: 2,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.24 : 8,267.87 = 1,813.69 : x
  2. Step 2: Convert to fraction form
    5,511.24/8,267.87 = 1,813.69/x
  3. Step 3: Cross multiply
    5,511.24x = 8,267.87 × 1,813.69
  4. Step 4: Simplify right side
    5,511.24x = 14,995,368.01
  5. Step 5: Solve for x
    x = 14,995,368.01/5,511.24
  6. Step 6: Final answer
    x = 2,720.87

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1.5x scale

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.