Home / 5,453.60-8,184.48-2,122.37

Finding the Fourth Proportional to 5,453.60, 8,184.48 and 2,122.37

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Solution

The fourth proportional to 5,453.60, 8,184.48 and 2,122.37 is: 3,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.60 : 8,184.48 = 2,122.37 : x
  2. Step 2: Convert to fraction form
    5,453.60/8,184.48 = 2,122.37/x
  3. Step 3: Cross multiply
    5,453.60x = 8,184.48 × 2,122.37
  4. Step 4: Simplify right side
    5,453.60x = 17,370,522.67
  5. Step 5: Solve for x
    x = 17,370,522.67/5,453.60
  6. Step 6: Final answer
    x = 3,185.15

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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.