Home / 9,276.98-13,912.01-3,728.45

Finding the Fourth Proportional to 9,276.98, 13,912.01 and 3,728.45

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Solution

The fourth proportional to 9,276.98, 13,912.01 and 3,728.45 is: 5,591.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.98 : 13,912.01 = 3,728.45 : x
  2. Step 2: Convert to fraction form
    9,276.98/13,912.01 = 3,728.45/x
  3. Step 3: Cross multiply
    9,276.98x = 13,912.01 × 3,728.45
  4. Step 4: Simplify right side
    9,276.98x = 51,870,233.68
  5. Step 5: Solve for x
    x = 51,870,233.68/9,276.98
  6. Step 6: Final answer
    x = 5,591.28

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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.