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Finding the Fourth Proportional to 5,657.55, 7,808.36 and 3,299.69

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Solution

The fourth proportional to 5,657.55, 7,808.36 and 3,299.69 is: 4,554.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.55 : 7,808.36 = 3,299.69 : x
  2. Step 2: Convert to fraction form
    5,657.55/7,808.36 = 3,299.69/x
  3. Step 3: Cross multiply
    5,657.55x = 7,808.36 × 3,299.69
  4. Step 4: Simplify right side
    5,657.55x = 25,765,170.43
  5. Step 5: Solve for x
    x = 25,765,170.43/5,657.55
  6. Step 6: Final answer
    x = 4,554.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.