Home / 7,614.08-11,390.88-4,793.12

Finding the Fourth Proportional to 7,614.08, 11,390.88 and 4,793.12

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Solution

The fourth proportional to 7,614.08, 11,390.88 and 4,793.12 is: 7,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.08 : 11,390.88 = 4,793.12 : x
  2. Step 2: Convert to fraction form
    7,614.08/11,390.88 = 4,793.12/x
  3. Step 3: Cross multiply
    7,614.08x = 11,390.88 × 4,793.12
  4. Step 4: Simplify right side
    7,614.08x = 54,597,854.75
  5. Step 5: Solve for x
    x = 54,597,854.75/7,614.08
  6. Step 6: Final answer
    x = 7,170.64

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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.