Home / 8,671.44-13,004.84-2,431.08

Finding the Fourth Proportional to 8,671.44, 13,004.84 and 2,431.08

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Solution

The fourth proportional to 8,671.44, 13,004.84 and 2,431.08 is: 3,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.44 : 13,004.84 = 2,431.08 : x
  2. Step 2: Convert to fraction form
    8,671.44/13,004.84 = 2,431.08/x
  3. Step 3: Cross multiply
    8,671.44x = 13,004.84 × 2,431.08
  4. Step 4: Simplify right side
    8,671.44x = 31,615,806.43
  5. Step 5: Solve for x
    x = 31,615,806.43/8,671.44
  6. Step 6: Final answer
    x = 3,645.97

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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.