Home / 5,310.72-7,328.22-3,072.26

Finding the Fourth Proportional to 5,310.72, 7,328.22 and 3,072.26

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Solution

The fourth proportional to 5,310.72, 7,328.22 and 3,072.26 is: 4,239.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.72 : 7,328.22 = 3,072.26 : x
  2. Step 2: Convert to fraction form
    5,310.72/7,328.22 = 3,072.26/x
  3. Step 3: Cross multiply
    5,310.72x = 7,328.22 × 3,072.26
  4. Step 4: Simplify right side
    5,310.72x = 22,514,197.18
  5. Step 5: Solve for x
    x = 22,514,197.18/5,310.72
  6. Step 6: Final answer
    x = 4,239.39

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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.