Home / 6,564.40-9,846.60-2,181.85

Finding the Fourth Proportional to 6,564.40, 9,846.60 and 2,181.85

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Solution

The fourth proportional to 6,564.40, 9,846.60 and 2,181.85 is: 3,272.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,564.40 : 9,846.60 = 2,181.85 : x
  2. Step 2: Convert to fraction form
    6,564.40/9,846.60 = 2,181.85/x
  3. Step 3: Cross multiply
    6,564.40x = 9,846.60 × 2,181.85
  4. Step 4: Simplify right side
    6,564.40x = 21,483,804.21
  5. Step 5: Solve for x
    x = 21,483,804.21/6,564.40
  6. Step 6: Final answer
    x = 3,272.78

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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.