Home / 7,445.42-11,169.75-2,180.86

Finding the Fourth Proportional to 7,445.42, 11,169.75 and 2,180.86

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Solution

The fourth proportional to 7,445.42, 11,169.75 and 2,180.86 is: 3,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.42 : 11,169.75 = 2,180.86 : x
  2. Step 2: Convert to fraction form
    7,445.42/11,169.75 = 2,180.86/x
  3. Step 3: Cross multiply
    7,445.42x = 11,169.75 × 2,180.86
  4. Step 4: Simplify right side
    7,445.42x = 24,359,660.99
  5. Step 5: Solve for x
    x = 24,359,660.99/7,445.42
  6. Step 6: Final answer
    x = 3,271.76

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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.