Home / 6,511.54-9,768.34-2,814.90

Finding the Fourth Proportional to 6,511.54, 9,768.34 and 2,814.90

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Solution

The fourth proportional to 6,511.54, 9,768.34 and 2,814.90 is: 4,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.54 : 9,768.34 = 2,814.90 : x
  2. Step 2: Convert to fraction form
    6,511.54/9,768.34 = 2,814.90/x
  3. Step 3: Cross multiply
    6,511.54x = 9,768.34 × 2,814.90
  4. Step 4: Simplify right side
    6,511.54x = 27,496,900.27
  5. Step 5: Solve for x
    x = 27,496,900.27/6,511.54
  6. Step 6: Final answer
    x = 4,222.80

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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.