Home / 4,780.53-7,161.21-2,440.44

Finding the Fourth Proportional to 4,780.53, 7,161.21 and 2,440.44

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Solution

The fourth proportional to 4,780.53, 7,161.21 and 2,440.44 is: 3,655.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.53 : 7,161.21 = 2,440.44 : x
  2. Step 2: Convert to fraction form
    4,780.53/7,161.21 = 2,440.44/x
  3. Step 3: Cross multiply
    4,780.53x = 7,161.21 × 2,440.44
  4. Step 4: Simplify right side
    4,780.53x = 17,476,503.33
  5. Step 5: Solve for x
    x = 17,476,503.33/4,780.53
  6. Step 6: Final answer
    x = 3,655.77

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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.