Home / 5,440.26-8,160.39-2,154.90

Finding the Fourth Proportional to 5,440.26, 8,160.39 and 2,154.90

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Solution

The fourth proportional to 5,440.26, 8,160.39 and 2,154.90 is: 3,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.26 : 8,160.39 = 2,154.90 : x
  2. Step 2: Convert to fraction form
    5,440.26/8,160.39 = 2,154.90/x
  3. Step 3: Cross multiply
    5,440.26x = 8,160.39 × 2,154.90
  4. Step 4: Simplify right side
    5,440.26x = 17,584,824.41
  5. Step 5: Solve for x
    x = 17,584,824.41/5,440.26
  6. Step 6: Final answer
    x = 3,232.35

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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.