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Finding the Fourth Proportional to 6,397.50, 9,596.25 and 2,749.50

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Solution

The fourth proportional to 6,397.50, 9,596.25 and 2,749.50 is: 4,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,397.50 : 9,596.25 = 2,749.50 : x
  2. Step 2: Convert to fraction form
    6,397.50/9,596.25 = 2,749.50/x
  3. Step 3: Cross multiply
    6,397.50x = 9,596.25 × 2,749.50
  4. Step 4: Simplify right side
    6,397.50x = 26,384,889.38
  5. Step 5: Solve for x
    x = 26,384,889.38/6,397.50
  6. Step 6: Final answer
    x = 4,124.25

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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.