Home / 4,986.60-7,479.86-1,523.85

Finding the Fourth Proportional to 4,986.60, 7,479.86 and 1,523.85

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Solution

The fourth proportional to 4,986.60, 7,479.86 and 1,523.85 is: 2,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.60 : 7,479.86 = 1,523.85 : x
  2. Step 2: Convert to fraction form
    4,986.60/7,479.86 = 1,523.85/x
  3. Step 3: Cross multiply
    4,986.60x = 7,479.86 × 1,523.85
  4. Step 4: Simplify right side
    4,986.60x = 11,398,157.56
  5. Step 5: Solve for x
    x = 11,398,157.56/4,986.60
  6. Step 6: Final answer
    x = 2,285.76

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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.