Home / 4,923.45-7,385.85-1,635.75

Finding the Fourth Proportional to 4,923.45, 7,385.85 and 1,635.75

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Solution

The fourth proportional to 4,923.45, 7,385.85 and 1,635.75 is: 2,453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.45 : 7,385.85 = 1,635.75 : x
  2. Step 2: Convert to fraction form
    4,923.45/7,385.85 = 1,635.75/x
  3. Step 3: Cross multiply
    4,923.45x = 7,385.85 × 1,635.75
  4. Step 4: Simplify right side
    4,923.45x = 12,081,404.14
  5. Step 5: Solve for x
    x = 12,081,404.14/4,923.45
  6. Step 6: Final answer
    x = 2,453.85

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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.