Home / 4,986.50-7,464.63-3,329.78

Finding the Fourth Proportional to 4,986.50, 7,464.63 and 3,329.78

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Solution

The fourth proportional to 4,986.50, 7,464.63 and 3,329.78 is: 4,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.50 : 7,464.63 = 3,329.78 : x
  2. Step 2: Convert to fraction form
    4,986.50/7,464.63 = 3,329.78/x
  3. Step 3: Cross multiply
    4,986.50x = 7,464.63 × 3,329.78
  4. Step 4: Simplify right side
    4,986.50x = 24,855,575.68
  5. Step 5: Solve for x
    x = 24,855,575.68/4,986.50
  6. Step 6: Final answer
    x = 4,984.57

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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.