Home / 9,458.28-14,189.85-3,909.78

Finding the Fourth Proportional to 9,458.28, 14,189.85 and 3,909.78

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Solution

The fourth proportional to 9,458.28, 14,189.85 and 3,909.78 is: 5,865.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,458.28 : 14,189.85 = 3,909.78 : x
  2. Step 2: Convert to fraction form
    9,458.28/14,189.85 = 3,909.78/x
  3. Step 3: Cross multiply
    9,458.28x = 14,189.85 × 3,909.78
  4. Step 4: Simplify right side
    9,458.28x = 55,479,191.73
  5. Step 5: Solve for x
    x = 55,479,191.73/9,458.28
  6. Step 6: Final answer
    x = 5,865.67

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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.