Home / 4,945.96-7,416.24-2,021.86

Finding the Fourth Proportional to 4,945.96, 7,416.24 and 2,021.86

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Solution

The fourth proportional to 4,945.96, 7,416.24 and 2,021.86 is: 3,031.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.96 : 7,416.24 = 2,021.86 : x
  2. Step 2: Convert to fraction form
    4,945.96/7,416.24 = 2,021.86/x
  3. Step 3: Cross multiply
    4,945.96x = 7,416.24 × 2,021.86
  4. Step 4: Simplify right side
    4,945.96x = 14,994,599.01
  5. Step 5: Solve for x
    x = 14,994,599.01/4,945.96
  6. Step 6: Final answer
    x = 3,031.69

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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.