Home / 6,391.44-9,582.37-4,305.56

Finding the Fourth Proportional to 6,391.44, 9,582.37 and 4,305.56

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Solution

The fourth proportional to 6,391.44, 9,582.37 and 4,305.56 is: 6,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.44 : 9,582.37 = 4,305.56 : x
  2. Step 2: Convert to fraction form
    6,391.44/9,582.37 = 4,305.56/x
  3. Step 3: Cross multiply
    6,391.44x = 9,582.37 × 4,305.56
  4. Step 4: Simplify right side
    6,391.44x = 41,257,410.30
  5. Step 5: Solve for x
    x = 41,257,410.30/6,391.44
  6. Step 6: Final answer
    x = 6,455.10

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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.