Home / 8,126.41-12,179.65-4,619.36

Finding the Fourth Proportional to 8,126.41, 12,179.65 and 4,619.36

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Solution

The fourth proportional to 8,126.41, 12,179.65 and 4,619.36 is: 6,923.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.41 : 12,179.65 = 4,619.36 : x
  2. Step 2: Convert to fraction form
    8,126.41/12,179.65 = 4,619.36/x
  3. Step 3: Cross multiply
    8,126.41x = 12,179.65 × 4,619.36
  4. Step 4: Simplify right side
    8,126.41x = 56,262,188.02
  5. Step 5: Solve for x
    x = 56,262,188.02/8,126.41
  6. Step 6: Final answer
    x = 6,923.38

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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.