Home / 7,649.21-11,448.30-4,361.43

Finding the Fourth Proportional to 7,649.21, 11,448.30 and 4,361.43

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Solution

The fourth proportional to 7,649.21, 11,448.30 and 4,361.43 is: 6,527.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.21 : 11,448.30 = 4,361.43 : x
  2. Step 2: Convert to fraction form
    7,649.21/11,448.30 = 4,361.43/x
  3. Step 3: Cross multiply
    7,649.21x = 11,448.30 × 4,361.43
  4. Step 4: Simplify right side
    7,649.21x = 49,930,937.26
  5. Step 5: Solve for x
    x = 49,930,937.26/7,649.21
  6. Step 6: Final answer
    x = 6,527.59

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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.