Home / 7,289.38-10,933.26-2,609.20

Finding the Fourth Proportional to 7,289.38, 10,933.26 and 2,609.20

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Solution

The fourth proportional to 7,289.38, 10,933.26 and 2,609.20 is: 3,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.38 : 10,933.26 = 2,609.20 : x
  2. Step 2: Convert to fraction form
    7,289.38/10,933.26 = 2,609.20/x
  3. Step 3: Cross multiply
    7,289.38x = 10,933.26 × 2,609.20
  4. Step 4: Simplify right side
    7,289.38x = 28,527,061.99
  5. Step 5: Solve for x
    x = 28,527,061.99/7,289.38
  6. Step 6: Final answer
    x = 3,913.51

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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.