Home / 5,399.93-8,102.13-2,587.34

Finding the Fourth Proportional to 5,399.93, 8,102.13 and 2,587.34

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Solution

The fourth proportional to 5,399.93, 8,102.13 and 2,587.34 is: 3,882.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.93 : 8,102.13 = 2,587.34 : x
  2. Step 2: Convert to fraction form
    5,399.93/8,102.13 = 2,587.34/x
  3. Step 3: Cross multiply
    5,399.93x = 8,102.13 × 2,587.34
  4. Step 4: Simplify right side
    5,399.93x = 20,962,911.59
  5. Step 5: Solve for x
    x = 20,962,911.59/5,399.93
  6. Step 6: Final answer
    x = 3,882.07

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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.