Home / 8,433.63-12,641.97-2,883.21

Finding the Fourth Proportional to 8,433.63, 12,641.97 and 2,883.21

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Solution

The fourth proportional to 8,433.63, 12,641.97 and 2,883.21 is: 4,321.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.63 : 12,641.97 = 2,883.21 : x
  2. Step 2: Convert to fraction form
    8,433.63/12,641.97 = 2,883.21/x
  3. Step 3: Cross multiply
    8,433.63x = 12,641.97 × 2,883.21
  4. Step 4: Simplify right side
    8,433.63x = 36,449,454.32
  5. Step 5: Solve for x
    x = 36,449,454.32/8,433.63
  6. Step 6: Final answer
    x = 4,321.92

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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.