Home / 8,292.98-12,439.59-2,960.39

Finding the Fourth Proportional to 8,292.98, 12,439.59 and 2,960.39

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Solution

The fourth proportional to 8,292.98, 12,439.59 and 2,960.39 is: 4,440.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.98 : 12,439.59 = 2,960.39 : x
  2. Step 2: Convert to fraction form
    8,292.98/12,439.59 = 2,960.39/x
  3. Step 3: Cross multiply
    8,292.98x = 12,439.59 × 2,960.39
  4. Step 4: Simplify right side
    8,292.98x = 36,826,037.84
  5. Step 5: Solve for x
    x = 36,826,037.84/8,292.98
  6. Step 6: Final answer
    x = 4,440.63

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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.