Home / 5,416.37-8,125.17-2,129.03

Finding the Fourth Proportional to 5,416.37, 8,125.17 and 2,129.03

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Solution

The fourth proportional to 5,416.37, 8,125.17 and 2,129.03 is: 3,193.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.37 : 8,125.17 = 2,129.03 : x
  2. Step 2: Convert to fraction form
    5,416.37/8,125.17 = 2,129.03/x
  3. Step 3: Cross multiply
    5,416.37x = 8,125.17 × 2,129.03
  4. Step 4: Simplify right side
    5,416.37x = 17,298,730.69
  5. Step 5: Solve for x
    x = 17,298,730.69/5,416.37
  6. Step 6: Final answer
    x = 3,193.79

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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.