Home / 5,398.99-8,103.10-2,114.39

Finding the Fourth Proportional to 5,398.99, 8,103.10 and 2,114.39

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Solution

The fourth proportional to 5,398.99, 8,103.10 and 2,114.39 is: 3,173.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.99 : 8,103.10 = 2,114.39 : x
  2. Step 2: Convert to fraction form
    5,398.99/8,103.10 = 2,114.39/x
  3. Step 3: Cross multiply
    5,398.99x = 8,103.10 × 2,114.39
  4. Step 4: Simplify right side
    5,398.99x = 17,133,113.61
  5. Step 5: Solve for x
    x = 17,133,113.61/5,398.99
  6. Step 6: Final answer
    x = 3,173.39

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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.