Home / 7,748.46-11,627.58-2,818.44

Finding the Fourth Proportional to 7,748.46, 11,627.58 and 2,818.44

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Solution

The fourth proportional to 7,748.46, 11,627.58 and 2,818.44 is: 4,229.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.46 : 11,627.58 = 2,818.44 : x
  2. Step 2: Convert to fraction form
    7,748.46/11,627.58 = 2,818.44/x
  3. Step 3: Cross multiply
    7,748.46x = 11,627.58 × 2,818.44
  4. Step 4: Simplify right side
    7,748.46x = 32,771,636.58
  5. Step 5: Solve for x
    x = 32,771,636.58/7,748.46
  6. Step 6: Final answer
    x = 4,229.44

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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.