Home / 5,380.05-7,424.34-3,021.93

Finding the Fourth Proportional to 5,380.05, 7,424.34 and 3,021.93

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Solution

The fourth proportional to 5,380.05, 7,424.34 and 3,021.93 is: 4,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.05 : 7,424.34 = 3,021.93 : x
  2. Step 2: Convert to fraction form
    5,380.05/7,424.34 = 3,021.93/x
  3. Step 3: Cross multiply
    5,380.05x = 7,424.34 × 3,021.93
  4. Step 4: Simplify right side
    5,380.05x = 22,435,835.78
  5. Step 5: Solve for x
    x = 22,435,835.78/5,380.05
  6. Step 6: Final answer
    x = 4,170.19

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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.