Home / 6,425.45-8,868.60-4,183.42

Finding the Fourth Proportional to 6,425.45, 8,868.60 and 4,183.42

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Solution

The fourth proportional to 6,425.45, 8,868.60 and 4,183.42 is: 5,774.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.45 : 8,868.60 = 4,183.42 : x
  2. Step 2: Convert to fraction form
    6,425.45/8,868.60 = 4,183.42/x
  3. Step 3: Cross multiply
    6,425.45x = 8,868.60 × 4,183.42
  4. Step 4: Simplify right side
    6,425.45x = 37,101,078.61
  5. Step 5: Solve for x
    x = 37,101,078.61/6,425.45
  6. Step 6: Final answer
    x = 5,774.08

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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.