Home / 6,511.23-9,766.80-2,127.69

Finding the Fourth Proportional to 6,511.23, 9,766.80 and 2,127.69

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Solution

The fourth proportional to 6,511.23, 9,766.80 and 2,127.69 is: 3,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.23 : 9,766.80 = 2,127.69 : x
  2. Step 2: Convert to fraction form
    6,511.23/9,766.80 = 2,127.69/x
  3. Step 3: Cross multiply
    6,511.23x = 9,766.80 × 2,127.69
  4. Step 4: Simplify right side
    6,511.23x = 20,780,722.69
  5. Step 5: Solve for x
    x = 20,780,722.69/6,511.23
  6. Step 6: Final answer
    x = 3,191.52

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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.