Home / 6,511.08-9,766.98-2,129.88

Finding the Fourth Proportional to 6,511.08, 9,766.98 and 2,129.88

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Solution

The fourth proportional to 6,511.08, 9,766.98 and 2,129.88 is: 3,194.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.08 : 9,766.98 = 2,129.88 : x
  2. Step 2: Convert to fraction form
    6,511.08/9,766.98 = 2,129.88/x
  3. Step 3: Cross multiply
    6,511.08x = 9,766.98 × 2,129.88
  4. Step 4: Simplify right side
    6,511.08x = 20,802,495.36
  5. Step 5: Solve for x
    x = 20,802,495.36/6,511.08
  6. Step 6: Final answer
    x = 3,194.94

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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.