Home / 8,522.39-12,782.69-2,283.05

Finding the Fourth Proportional to 8,522.39, 12,782.69 and 2,283.05

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Solution

The fourth proportional to 8,522.39, 12,782.69 and 2,283.05 is: 3,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.39 : 12,782.69 = 2,283.05 : x
  2. Step 2: Convert to fraction form
    8,522.39/12,782.69 = 2,283.05/x
  3. Step 3: Cross multiply
    8,522.39x = 12,782.69 × 2,283.05
  4. Step 4: Simplify right side
    8,522.39x = 29,183,520.40
  5. Step 5: Solve for x
    x = 29,183,520.40/8,522.39
  6. Step 6: Final answer
    x = 3,424.34

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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.