Home / 4,152.69-6,239.80-3,122.41

Finding the Fourth Proportional to 4,152.69, 6,239.80 and 3,122.41

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Solution

The fourth proportional to 4,152.69, 6,239.80 and 3,122.41 is: 4,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.69 : 6,239.80 = 3,122.41 : x
  2. Step 2: Convert to fraction form
    4,152.69/6,239.80 = 3,122.41/x
  3. Step 3: Cross multiply
    4,152.69x = 6,239.80 × 3,122.41
  4. Step 4: Simplify right side
    4,152.69x = 19,483,213.92
  5. Step 5: Solve for x
    x = 19,483,213.92/4,152.69
  6. Step 6: Final answer
    x = 4,691.71

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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.