Home / 4,147.72-5,723.80-2,379.29

Finding the Fourth Proportional to 4,147.72, 5,723.80 and 2,379.29

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Solution

The fourth proportional to 4,147.72, 5,723.80 and 2,379.29 is: 3,283.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.72 : 5,723.80 = 2,379.29 : x
  2. Step 2: Convert to fraction form
    4,147.72/5,723.80 = 2,379.29/x
  3. Step 3: Cross multiply
    4,147.72x = 5,723.80 × 2,379.29
  4. Step 4: Simplify right side
    4,147.72x = 13,618,545.53
  5. Step 5: Solve for x
    x = 13,618,545.53/4,147.72
  6. Step 6: Final answer
    x = 3,283.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.