Home / 8,458.37-12,684.98-2,908.52

Finding the Fourth Proportional to 8,458.37, 12,684.98 and 2,908.52

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Solution

The fourth proportional to 8,458.37, 12,684.98 and 2,908.52 is: 4,361.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.37 : 12,684.98 = 2,908.52 : x
  2. Step 2: Convert to fraction form
    8,458.37/12,684.98 = 2,908.52/x
  3. Step 3: Cross multiply
    8,458.37x = 12,684.98 × 2,908.52
  4. Step 4: Simplify right side
    8,458.37x = 36,894,440.06
  5. Step 5: Solve for x
    x = 36,894,440.06/8,458.37
  6. Step 6: Final answer
    x = 4,361.89

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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.