Home / 8,148.46-12,222.74-2,954.20

Finding the Fourth Proportional to 8,148.46, 12,222.74 and 2,954.20

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Solution

The fourth proportional to 8,148.46, 12,222.74 and 2,954.20 is: 4,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.46 : 12,222.74 = 2,954.20 : x
  2. Step 2: Convert to fraction form
    8,148.46/12,222.74 = 2,954.20/x
  3. Step 3: Cross multiply
    8,148.46x = 12,222.74 × 2,954.20
  4. Step 4: Simplify right side
    8,148.46x = 36,108,418.51
  5. Step 5: Solve for x
    x = 36,108,418.51/8,148.46
  6. Step 6: Final answer
    x = 4,431.32

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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.