Home / 5,423.91-8,132.77-2,135.22

Finding the Fourth Proportional to 5,423.91, 8,132.77 and 2,135.22

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Solution

The fourth proportional to 5,423.91, 8,132.77 and 2,135.22 is: 3,201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.91 : 8,132.77 = 2,135.22 : x
  2. Step 2: Convert to fraction form
    5,423.91/8,132.77 = 2,135.22/x
  3. Step 3: Cross multiply
    5,423.91x = 8,132.77 × 2,135.22
  4. Step 4: Simplify right side
    5,423.91x = 17,365,253.16
  5. Step 5: Solve for x
    x = 17,365,253.16/5,423.91
  6. Step 6: Final answer
    x = 3,201.61

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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.