Home / 8,382.41-12,572.64-2,835.74

Finding the Fourth Proportional to 8,382.41, 12,572.64 and 2,835.74

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Solution

The fourth proportional to 8,382.41, 12,572.64 and 2,835.74 is: 4,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.41 : 12,572.64 = 2,835.74 : x
  2. Step 2: Convert to fraction form
    8,382.41/12,572.64 = 2,835.74/x
  3. Step 3: Cross multiply
    8,382.41x = 12,572.64 × 2,835.74
  4. Step 4: Simplify right side
    8,382.41x = 35,652,777.56
  5. Step 5: Solve for x
    x = 35,652,777.56/8,382.41
  6. Step 6: Final answer
    x = 4,253.28

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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.