Home / 8,177.63-12,268.43-2,631.50

Finding the Fourth Proportional to 8,177.63, 12,268.43 and 2,631.50

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Solution

The fourth proportional to 8,177.63, 12,268.43 and 2,631.50 is: 3,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.63 : 12,268.43 = 2,631.50 : x
  2. Step 2: Convert to fraction form
    8,177.63/12,268.43 = 2,631.50/x
  3. Step 3: Cross multiply
    8,177.63x = 12,268.43 × 2,631.50
  4. Step 4: Simplify right side
    8,177.63x = 32,284,373.55
  5. Step 5: Solve for x
    x = 32,284,373.55/8,177.63
  6. Step 6: Final answer
    x = 3,947.89

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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.