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Finding the Fourth Proportional to 7,654, 11,485.32 and 3,550

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Solution

The fourth proportional to 7,654, 11,485.32 and 3,550 is: 5,327.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654 : 11,485.32 = 3,550 : x
  2. Step 2: Convert to fraction form
    7,654/11,485.32 = 3,550/x
  3. Step 3: Cross multiply
    7,654x = 11,485.32 × 3,550
  4. Step 4: Simplify right side
    7,654x = 40,772,886
  5. Step 5: Solve for x
    x = 40,772,886/7,654
  6. Step 6: Final answer
    x = 5,327.00

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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.