Home / 8,450.50-12,675.78-2,905.44

Finding the Fourth Proportional to 8,450.50, 12,675.78 and 2,905.44

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Solution

The fourth proportional to 8,450.50, 12,675.78 and 2,905.44 is: 4,358.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.50 : 12,675.78 = 2,905.44 : x
  2. Step 2: Convert to fraction form
    8,450.50/12,675.78 = 2,905.44/x
  3. Step 3: Cross multiply
    8,450.50x = 12,675.78 × 2,905.44
  4. Step 4: Simplify right side
    8,450.50x = 36,828,718.24
  5. Step 5: Solve for x
    x = 36,828,718.24/8,450.50
  6. Step 6: Final answer
    x = 4,358.17

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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.