Home / 9,324.45-13,986.72-3,777.90

Finding the Fourth Proportional to 9,324.45, 13,986.72 and 3,777.90

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Solution

The fourth proportional to 9,324.45, 13,986.72 and 3,777.90 is: 5,666.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.45 : 13,986.72 = 3,777.90 : x
  2. Step 2: Convert to fraction form
    9,324.45/13,986.72 = 3,777.90/x
  3. Step 3: Cross multiply
    9,324.45x = 13,986.72 × 3,777.90
  4. Step 4: Simplify right side
    9,324.45x = 52,840,410.60
  5. Step 5: Solve for x
    x = 52,840,410.60/9,324.45
  6. Step 6: Final answer
    x = 5,666.87

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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.