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Finding the Fourth Proportional to 6,450.48, 9,673.62 and 3,981.60

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Solution

The fourth proportional to 6,450.48, 9,673.62 and 3,981.60 is: 5,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.48 : 9,673.62 = 3,981.60 : x
  2. Step 2: Convert to fraction form
    6,450.48/9,673.62 = 3,981.60/x
  3. Step 3: Cross multiply
    6,450.48x = 9,673.62 × 3,981.60
  4. Step 4: Simplify right side
    6,450.48x = 38,516,485.39
  5. Step 5: Solve for x
    x = 38,516,485.39/6,450.48
  6. Step 6: Final answer
    x = 5,971.10

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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.