Home / 5,453.30-8,180.15-1,705.42

Finding the Fourth Proportional to 5,453.30, 8,180.15 and 1,705.42

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Solution

The fourth proportional to 5,453.30, 8,180.15 and 1,705.42 is: 2,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.30 : 8,180.15 = 1,705.42 : x
  2. Step 2: Convert to fraction form
    5,453.30/8,180.15 = 1,705.42/x
  3. Step 3: Cross multiply
    5,453.30x = 8,180.15 × 1,705.42
  4. Step 4: Simplify right side
    5,453.30x = 13,950,578.14
  5. Step 5: Solve for x
    x = 13,950,578.14/5,453.30
  6. Step 6: Final answer
    x = 2,558.19

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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.