Home / 6,530.76-9,796.82-2,148.21

Finding the Fourth Proportional to 6,530.76, 9,796.82 and 2,148.21

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Solution

The fourth proportional to 6,530.76, 9,796.82 and 2,148.21 is: 3,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.76 : 9,796.82 = 2,148.21 : x
  2. Step 2: Convert to fraction form
    6,530.76/9,796.82 = 2,148.21/x
  3. Step 3: Cross multiply
    6,530.76x = 9,796.82 × 2,148.21
  4. Step 4: Simplify right side
    6,530.76x = 21,045,615.95
  5. Step 5: Solve for x
    x = 21,045,615.95/6,530.76
  6. Step 6: Final answer
    x = 3,222.54

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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.