Home / 8,342.60-12,511.36-2,794.70

Finding the Fourth Proportional to 8,342.60, 12,511.36 and 2,794.70

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Solution

The fourth proportional to 8,342.60, 12,511.36 and 2,794.70 is: 4,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.60 : 12,511.36 = 2,794.70 : x
  2. Step 2: Convert to fraction form
    8,342.60/12,511.36 = 2,794.70/x
  3. Step 3: Cross multiply
    8,342.60x = 12,511.36 × 2,794.70
  4. Step 4: Simplify right side
    8,342.60x = 34,965,532.56
  5. Step 5: Solve for x
    x = 34,965,532.56/8,342.60
  6. Step 6: Final answer
    x = 4,191.21

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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.