Home / 4,621.69-6,922.73-4,291.21

Finding the Fourth Proportional to 4,621.69, 6,922.73 and 4,291.21

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Solution

The fourth proportional to 4,621.69, 6,922.73 and 4,291.21 is: 6,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.69 : 6,922.73 = 4,291.21 : x
  2. Step 2: Convert to fraction form
    4,621.69/6,922.73 = 4,291.21/x
  3. Step 3: Cross multiply
    4,621.69x = 6,922.73 × 4,291.21
  4. Step 4: Simplify right side
    4,621.69x = 29,706,866.75
  5. Step 5: Solve for x
    x = 29,706,866.75/4,621.69
  6. Step 6: Final answer
    x = 6,427.71

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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.