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Finding the Fourth Proportional to 6,903.36, 9,526.74 and 3,759.60

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Solution

The fourth proportional to 6,903.36, 9,526.74 and 3,759.60 is: 5,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.36 : 9,526.74 = 3,759.60 : x
  2. Step 2: Convert to fraction form
    6,903.36/9,526.74 = 3,759.60/x
  3. Step 3: Cross multiply
    6,903.36x = 9,526.74 × 3,759.60
  4. Step 4: Simplify right side
    6,903.36x = 35,816,731.70
  5. Step 5: Solve for x
    x = 35,816,731.70/6,903.36
  6. Step 6: Final answer
    x = 5,188.30

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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.