Home / 5,511.19-8,267.98-1,813.24

Finding the Fourth Proportional to 5,511.19, 8,267.98 and 1,813.24

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Solution

The fourth proportional to 5,511.19, 8,267.98 and 1,813.24 is: 2,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.19 : 8,267.98 = 1,813.24 : x
  2. Step 2: Convert to fraction form
    5,511.19/8,267.98 = 1,813.24/x
  3. Step 3: Cross multiply
    5,511.19x = 8,267.98 × 1,813.24
  4. Step 4: Simplify right side
    5,511.19x = 14,991,799.85
  5. Step 5: Solve for x
    x = 14,991,799.85/5,511.19
  6. Step 6: Final answer
    x = 2,720.25

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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.