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Finding the Fourth Proportional to 6,404.80, 9,607.20 and 2,706.44

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Solution

The fourth proportional to 6,404.80, 9,607.20 and 2,706.44 is: 4,059.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404.80 : 9,607.20 = 2,706.44 : x
  2. Step 2: Convert to fraction form
    6,404.80/9,607.20 = 2,706.44/x
  3. Step 3: Cross multiply
    6,404.80x = 9,607.20 × 2,706.44
  4. Step 4: Simplify right side
    6,404.80x = 26,001,310.37
  5. Step 5: Solve for x
    x = 26,001,310.37/6,404.80
  6. Step 6: Final answer
    x = 4,059.66

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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.