Home / 5,378.12-8,066.24-1,481.60

Finding the Fourth Proportional to 5,378.12, 8,066.24 and 1,481.60

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Solution

The fourth proportional to 5,378.12, 8,066.24 and 1,481.60 is: 2,222.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.12 : 8,066.24 = 1,481.60 : x
  2. Step 2: Convert to fraction form
    5,378.12/8,066.24 = 1,481.60/x
  3. Step 3: Cross multiply
    5,378.12x = 8,066.24 × 1,481.60
  4. Step 4: Simplify right side
    5,378.12x = 11,950,941.18
  5. Step 5: Solve for x
    x = 11,950,941.18/5,378.12
  6. Step 6: Final answer
    x = 2,222.14

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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.