Home / 3,625.40-5,427.30-3,411.80

Finding the Fourth Proportional to 3,625.40, 5,427.30 and 3,411.80

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Solution

The fourth proportional to 3,625.40, 5,427.30 and 3,411.80 is: 5,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.40 : 5,427.30 = 3,411.80 : x
  2. Step 2: Convert to fraction form
    3,625.40/5,427.30 = 3,411.80/x
  3. Step 3: Cross multiply
    3,625.40x = 5,427.30 × 3,411.80
  4. Step 4: Simplify right side
    3,625.40x = 18,516,862.14
  5. Step 5: Solve for x
    x = 18,516,862.14/3,625.40
  6. Step 6: Final answer
    x = 5,107.54

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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.