Home / 5,211.34-7,809.99-3,361.50

Finding the Fourth Proportional to 5,211.34, 7,809.99 and 3,361.50

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Solution

The fourth proportional to 5,211.34, 7,809.99 and 3,361.50 is: 5,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.34 : 7,809.99 = 3,361.50 : x
  2. Step 2: Convert to fraction form
    5,211.34/7,809.99 = 3,361.50/x
  3. Step 3: Cross multiply
    5,211.34x = 7,809.99 × 3,361.50
  4. Step 4: Simplify right side
    5,211.34x = 26,253,268.78
  5. Step 5: Solve for x
    x = 26,253,268.78/5,211.34
  6. Step 6: Final answer
    x = 5,037.72

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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.