Home / 6,125.44-8,453.28-3,607.72

Finding the Fourth Proportional to 6,125.44, 8,453.28 and 3,607.72

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Solution

The fourth proportional to 6,125.44, 8,453.28 and 3,607.72 is: 4,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.44 : 8,453.28 = 3,607.72 : x
  2. Step 2: Convert to fraction form
    6,125.44/8,453.28 = 3,607.72/x
  3. Step 3: Cross multiply
    6,125.44x = 8,453.28 × 3,607.72
  4. Step 4: Simplify right side
    6,125.44x = 30,497,067.32
  5. Step 5: Solve for x
    x = 30,497,067.32/6,125.44
  6. Step 6: Final answer
    x = 4,978.76

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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.