Home / 8,307.28-12,464.97-3,923.56

Finding the Fourth Proportional to 8,307.28, 12,464.97 and 3,923.56

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Solution

The fourth proportional to 8,307.28, 12,464.97 and 3,923.56 is: 5,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.28 : 12,464.97 = 3,923.56 : x
  2. Step 2: Convert to fraction form
    8,307.28/12,464.97 = 3,923.56/x
  3. Step 3: Cross multiply
    8,307.28x = 12,464.97 × 3,923.56
  4. Step 4: Simplify right side
    8,307.28x = 48,907,057.69
  5. Step 5: Solve for x
    x = 48,907,057.69/8,307.28
  6. Step 6: Final answer
    x = 5,887.25

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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.