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Finding the Fourth Proportional to 7,771.02, 11,654.01 and 2,575.50

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Solution

The fourth proportional to 7,771.02, 11,654.01 and 2,575.50 is: 3,862.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.02 : 11,654.01 = 2,575.50 : x
  2. Step 2: Convert to fraction form
    7,771.02/11,654.01 = 2,575.50/x
  3. Step 3: Cross multiply
    7,771.02x = 11,654.01 × 2,575.50
  4. Step 4: Simplify right side
    7,771.02x = 30,014,902.76
  5. Step 5: Solve for x
    x = 30,014,902.76/7,771.02
  6. Step 6: Final answer
    x = 3,862.41

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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.