Home / 5,418.06-7,478.30-3,625.74

Finding the Fourth Proportional to 5,418.06, 7,478.30 and 3,625.74

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Solution

The fourth proportional to 5,418.06, 7,478.30 and 3,625.74 is: 5,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.06 : 7,478.30 = 3,625.74 : x
  2. Step 2: Convert to fraction form
    5,418.06/7,478.30 = 3,625.74/x
  3. Step 3: Cross multiply
    5,418.06x = 7,478.30 × 3,625.74
  4. Step 4: Simplify right side
    5,418.06x = 27,114,371.44
  5. Step 5: Solve for x
    x = 27,114,371.44/5,418.06
  6. Step 6: Final answer
    x = 5,004.44

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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.