Home / 5,520.14-7,617.78-3,162.29

Finding the Fourth Proportional to 5,520.14, 7,617.78 and 3,162.29

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Solution

The fourth proportional to 5,520.14, 7,617.78 and 3,162.29 is: 4,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.14 : 7,617.78 = 3,162.29 : x
  2. Step 2: Convert to fraction form
    5,520.14/7,617.78 = 3,162.29/x
  3. Step 3: Cross multiply
    5,520.14x = 7,617.78 × 3,162.29
  4. Step 4: Simplify right side
    5,520.14x = 24,089,629.52
  5. Step 5: Solve for x
    x = 24,089,629.52/5,520.14
  6. Step 6: Final answer
    x = 4,363.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.