Home / 5,423.36-8,132.00-2,135.57

Finding the Fourth Proportional to 5,423.36, 8,132.00 and 2,135.57

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Solution

The fourth proportional to 5,423.36, 8,132.00 and 2,135.57 is: 3,202.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.36 : 8,132.00 = 2,135.57 : x
  2. Step 2: Convert to fraction form
    5,423.36/8,132.00 = 2,135.57/x
  3. Step 3: Cross multiply
    5,423.36x = 8,132.00 × 2,135.57
  4. Step 4: Simplify right side
    5,423.36x = 17,366,403.90
  5. Step 5: Solve for x
    x = 17,366,403.90/5,423.36
  6. Step 6: Final answer
    x = 3,202.15

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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.