Home / 9,120.05-13,674.60-3,566.78

Finding the Fourth Proportional to 9,120.05, 13,674.60 and 3,566.78

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Solution

The fourth proportional to 9,120.05, 13,674.60 and 3,566.78 is: 5,348.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.05 : 13,674.60 = 3,566.78 : x
  2. Step 2: Convert to fraction form
    9,120.05/13,674.60 = 3,566.78/x
  3. Step 3: Cross multiply
    9,120.05x = 13,674.60 × 3,566.78
  4. Step 4: Simplify right side
    9,120.05x = 48,774,221.42
  5. Step 5: Solve for x
    x = 48,774,221.42/9,120.05
  6. Step 6: Final answer
    x = 5,348.02

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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.