Home / 6,511.08-9,768.71-2,127.54

Finding the Fourth Proportional to 6,511.08, 9,768.71 and 2,127.54

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Solution

The fourth proportional to 6,511.08, 9,768.71 and 2,127.54 is: 3,191.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.08 : 9,768.71 = 2,127.54 : x
  2. Step 2: Convert to fraction form
    6,511.08/9,768.71 = 2,127.54/x
  3. Step 3: Cross multiply
    6,511.08x = 9,768.71 × 2,127.54
  4. Step 4: Simplify right side
    6,511.08x = 20,783,261.79
  5. Step 5: Solve for x
    x = 20,783,261.79/6,511.08
  6. Step 6: Final answer
    x = 3,191.99

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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.