Home / 5,403.30-8,104.91-2,114.07

Finding the Fourth Proportional to 5,403.30, 8,104.91 and 2,114.07

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Solution

The fourth proportional to 5,403.30, 8,104.91 and 2,114.07 is: 3,171.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.30 : 8,104.91 = 2,114.07 : x
  2. Step 2: Convert to fraction form
    5,403.30/8,104.91 = 2,114.07/x
  3. Step 3: Cross multiply
    5,403.30x = 8,104.91 × 2,114.07
  4. Step 4: Simplify right side
    5,403.30x = 17,134,347.08
  5. Step 5: Solve for x
    x = 17,134,347.08/5,403.30
  6. Step 6: Final answer
    x = 3,171.09

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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.