Home / 6,511.68-9,766.44-2,129.08

Finding the Fourth Proportional to 6,511.68, 9,766.44 and 2,129.08

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Solution

The fourth proportional to 6,511.68, 9,766.44 and 2,129.08 is: 3,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.68 : 9,766.44 = 2,129.08 : x
  2. Step 2: Convert to fraction form
    6,511.68/9,766.44 = 2,129.08/x
  3. Step 3: Cross multiply
    6,511.68x = 9,766.44 × 2,129.08
  4. Step 4: Simplify right side
    6,511.68x = 20,793,532.08
  5. Step 5: Solve for x
    x = 20,793,532.08/6,511.68
  6. Step 6: Final answer
    x = 3,193.27

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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.