Home / 7,333.72-10,120.62-4,021.72

Finding the Fourth Proportional to 7,333.72, 10,120.62 and 4,021.72

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Solution

The fourth proportional to 7,333.72, 10,120.62 and 4,021.72 is: 5,550.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.72 : 10,120.62 = 4,021.72 : x
  2. Step 2: Convert to fraction form
    7,333.72/10,120.62 = 4,021.72/x
  3. Step 3: Cross multiply
    7,333.72x = 10,120.62 × 4,021.72
  4. Step 4: Simplify right side
    7,333.72x = 40,702,299.87
  5. Step 5: Solve for x
    x = 40,702,299.87/7,333.72
  6. Step 6: Final answer
    x = 5,550.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.