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Finding the Fourth Proportional to 6,281.76, 8,668.44 and 3,487.26

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Solution

The fourth proportional to 6,281.76, 8,668.44 and 3,487.26 is: 4,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.76 : 8,668.44 = 3,487.26 : x
  2. Step 2: Convert to fraction form
    6,281.76/8,668.44 = 3,487.26/x
  3. Step 3: Cross multiply
    6,281.76x = 8,668.44 × 3,487.26
  4. Step 4: Simplify right side
    6,281.76x = 30,229,104.07
  5. Step 5: Solve for x
    x = 30,229,104.07/6,281.76
  6. Step 6: Final answer
    x = 4,812.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.