Home / 5,636.67-7,770.48-3,952.85

Finding the Fourth Proportional to 5,636.67, 7,770.48 and 3,952.85

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Solution

The fourth proportional to 5,636.67, 7,770.48 and 3,952.85 is: 5,449.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.67 : 7,770.48 = 3,952.85 : x
  2. Step 2: Convert to fraction form
    5,636.67/7,770.48 = 3,952.85/x
  3. Step 3: Cross multiply
    5,636.67x = 7,770.48 × 3,952.85
  4. Step 4: Simplify right side
    5,636.67x = 30,715,529.12
  5. Step 5: Solve for x
    x = 30,715,529.12/5,636.67
  6. Step 6: Final answer
    x = 5,449.23

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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.