Home / 5,892.21-8,130.93-3,239.10

Finding the Fourth Proportional to 5,892.21, 8,130.93 and 3,239.10

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Solution

The fourth proportional to 5,892.21, 8,130.93 and 3,239.10 is: 4,469.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,892.21 : 8,130.93 = 3,239.10 : x
  2. Step 2: Convert to fraction form
    5,892.21/8,130.93 = 3,239.10/x
  3. Step 3: Cross multiply
    5,892.21x = 8,130.93 × 3,239.10
  4. Step 4: Simplify right side
    5,892.21x = 26,336,895.36
  5. Step 5: Solve for x
    x = 26,336,895.36/5,892.21
  6. Step 6: Final answer
    x = 4,469.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.