Home / 4,745.53-7,118.14-2,148.47

Finding the Fourth Proportional to 4,745.53, 7,118.14 and 2,148.47

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Solution

The fourth proportional to 4,745.53, 7,118.14 and 2,148.47 is: 3,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.53 : 7,118.14 = 2,148.47 : x
  2. Step 2: Convert to fraction form
    4,745.53/7,118.14 = 2,148.47/x
  3. Step 3: Cross multiply
    4,745.53x = 7,118.14 × 2,148.47
  4. Step 4: Simplify right side
    4,745.53x = 15,293,063.91
  5. Step 5: Solve for x
    x = 15,293,063.91/4,745.53
  6. Step 6: Final answer
    x = 3,222.63

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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.