Home / 5,440.36-8,158.11-2,519.50

Finding the Fourth Proportional to 5,440.36, 8,158.11 and 2,519.50

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Solution

The fourth proportional to 5,440.36, 8,158.11 and 2,519.50 is: 3,778.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.36 : 8,158.11 = 2,519.50 : x
  2. Step 2: Convert to fraction form
    5,440.36/8,158.11 = 2,519.50/x
  3. Step 3: Cross multiply
    5,440.36x = 8,158.11 × 2,519.50
  4. Step 4: Simplify right side
    5,440.36x = 20,554,358.15
  5. Step 5: Solve for x
    x = 20,554,358.15/5,440.36
  6. Step 6: Final answer
    x = 3,778.12

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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.