Home / 8,682.28-13,019.53-5,173.94

Finding the Fourth Proportional to 8,682.28, 13,019.53 and 5,173.94

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Solution

The fourth proportional to 8,682.28, 13,019.53 and 5,173.94 is: 7,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.28 : 13,019.53 = 5,173.94 : x
  2. Step 2: Convert to fraction form
    8,682.28/13,019.53 = 5,173.94/x
  3. Step 3: Cross multiply
    8,682.28x = 13,019.53 × 5,173.94
  4. Step 4: Simplify right side
    8,682.28x = 67,362,286.66
  5. Step 5: Solve for x
    x = 67,362,286.66/8,682.28
  6. Step 6: Final answer
    x = 7,758.60

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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.