Home / 5,440.36-8,159.22-2,515.88

Finding the Fourth Proportional to 5,440.36, 8,159.22 and 2,515.88

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Solution

The fourth proportional to 5,440.36, 8,159.22 and 2,515.88 is: 3,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.36 : 8,159.22 = 2,515.88 : x
  2. Step 2: Convert to fraction form
    5,440.36/8,159.22 = 2,515.88/x
  3. Step 3: Cross multiply
    5,440.36x = 8,159.22 × 2,515.88
  4. Step 4: Simplify right side
    5,440.36x = 20,527,618.41
  5. Step 5: Solve for x
    x = 20,527,618.41/5,440.36
  6. Step 6: Final answer
    x = 3,773.21

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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.