Home / 7,439.28-11,158.60-2,245

Finding the Fourth Proportional to 7,439.28, 11,158.60 and 2,245

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Solution

The fourth proportional to 7,439.28, 11,158.60 and 2,245 is: 3,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.28 : 11,158.60 = 2,245 : x
  2. Step 2: Convert to fraction form
    7,439.28/11,158.60 = 2,245/x
  3. Step 3: Cross multiply
    7,439.28x = 11,158.60 × 2,245
  4. Step 4: Simplify right side
    7,439.28x = 25,051,057
  5. Step 5: Solve for x
    x = 25,051,057/7,439.28
  6. Step 6: Final answer
    x = 3,367.40

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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.