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Finding the Fourth Proportional to 6,450.28, 8,903.14 and 3,798.55

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Solution

The fourth proportional to 6,450.28, 8,903.14 and 3,798.55 is: 5,243.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.28 : 8,903.14 = 3,798.55 : x
  2. Step 2: Convert to fraction form
    6,450.28/8,903.14 = 3,798.55/x
  3. Step 3: Cross multiply
    6,450.28x = 8,903.14 × 3,798.55
  4. Step 4: Simplify right side
    6,450.28x = 33,818,984.68
  5. Step 5: Solve for x
    x = 33,818,984.68/6,450.28
  6. Step 6: Final answer
    x = 5,243.02

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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.