Home / 8,633.18-12,938.58-3,629.88

Finding the Fourth Proportional to 8,633.18, 12,938.58 and 3,629.88

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Solution

The fourth proportional to 8,633.18, 12,938.58 and 3,629.88 is: 5,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.18 : 12,938.58 = 3,629.88 : x
  2. Step 2: Convert to fraction form
    8,633.18/12,938.58 = 3,629.88/x
  3. Step 3: Cross multiply
    8,633.18x = 12,938.58 × 3,629.88
  4. Step 4: Simplify right side
    8,633.18x = 46,965,492.77
  5. Step 5: Solve for x
    x = 46,965,492.77/8,633.18
  6. Step 6: Final answer
    x = 5,440.12

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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.