Home / 5,423.63-8,131.77-2,500.34

Finding the Fourth Proportional to 5,423.63, 8,131.77 and 2,500.34

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Solution

The fourth proportional to 5,423.63, 8,131.77 and 2,500.34 is: 3,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.63 : 8,131.77 = 2,500.34 : x
  2. Step 2: Convert to fraction form
    5,423.63/8,131.77 = 2,500.34/x
  3. Step 3: Cross multiply
    5,423.63x = 8,131.77 × 2,500.34
  4. Step 4: Simplify right side
    5,423.63x = 20,332,149.14
  5. Step 5: Solve for x
    x = 20,332,149.14/5,423.63
  6. Step 6: Final answer
    x = 3,748.81

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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.