Home / 5,470.11-8,205.15-2,550.45

Finding the Fourth Proportional to 5,470.11, 8,205.15 and 2,550.45

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Solution

The fourth proportional to 5,470.11, 8,205.15 and 2,550.45 is: 3,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.11 : 8,205.15 = 2,550.45 : x
  2. Step 2: Convert to fraction form
    5,470.11/8,205.15 = 2,550.45/x
  3. Step 3: Cross multiply
    5,470.11x = 8,205.15 × 2,550.45
  4. Step 4: Simplify right side
    5,470.11x = 20,926,824.82
  5. Step 5: Solve for x
    x = 20,926,824.82/5,470.11
  6. Step 6: Final answer
    x = 3,825.67

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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.