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Finding the Fourth Proportional to 7,177.01, 10,765.50 and 1,912.02

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Solution

The fourth proportional to 7,177.01, 10,765.50 and 1,912.02 is: 2,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.01 : 10,765.50 = 1,912.02 : x
  2. Step 2: Convert to fraction form
    7,177.01/10,765.50 = 1,912.02/x
  3. Step 3: Cross multiply
    7,177.01x = 10,765.50 × 1,912.02
  4. Step 4: Simplify right side
    7,177.01x = 20,583,851.31
  5. Step 5: Solve for x
    x = 20,583,851.31/7,177.01
  6. Step 6: Final answer
    x = 2,868.03

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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.