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Finding the Fourth Proportional to 6,576.80, 9,867.60 and 3,111.44

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Solution

The fourth proportional to 6,576.80, 9,867.60 and 3,111.44 is: 4,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,576.80 : 9,867.60 = 3,111.44 : x
  2. Step 2: Convert to fraction form
    6,576.80/9,867.60 = 3,111.44/x
  3. Step 3: Cross multiply
    6,576.80x = 9,867.60 × 3,111.44
  4. Step 4: Simplify right side
    6,576.80x = 30,702,445.34
  5. Step 5: Solve for x
    x = 30,702,445.34/6,576.80
  6. Step 6: Final answer
    x = 4,668.30

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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.