Home / 7,933.46-11,900.16-2,387.21

Finding the Fourth Proportional to 7,933.46, 11,900.16 and 2,387.21

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Solution

The fourth proportional to 7,933.46, 11,900.16 and 2,387.21 is: 3,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.46 : 11,900.16 = 2,387.21 : x
  2. Step 2: Convert to fraction form
    7,933.46/11,900.16 = 2,387.21/x
  3. Step 3: Cross multiply
    7,933.46x = 11,900.16 × 2,387.21
  4. Step 4: Simplify right side
    7,933.46x = 28,408,121.45
  5. Step 5: Solve for x
    x = 28,408,121.45/7,933.46
  6. Step 6: Final answer
    x = 3,580.80

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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.