Home / 8,403.97-12,604.60-2,559.21

Finding the Fourth Proportional to 8,403.97, 12,604.60 and 2,559.21

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Solution

The fourth proportional to 8,403.97, 12,604.60 and 2,559.21 is: 3,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.97 : 12,604.60 = 2,559.21 : x
  2. Step 2: Convert to fraction form
    8,403.97/12,604.60 = 2,559.21/x
  3. Step 3: Cross multiply
    8,403.97x = 12,604.60 × 2,559.21
  4. Step 4: Simplify right side
    8,403.97x = 32,257,811.97
  5. Step 5: Solve for x
    x = 32,257,811.97/8,403.97
  6. Step 6: Final answer
    x = 3,838.40

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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.