Home / 5,417.03-8,125.47-2,127.83

Finding the Fourth Proportional to 5,417.03, 8,125.47 and 2,127.83

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Solution

The fourth proportional to 5,417.03, 8,125.47 and 2,127.83 is: 3,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.03 : 8,125.47 = 2,127.83 : x
  2. Step 2: Convert to fraction form
    5,417.03/8,125.47 = 2,127.83/x
  3. Step 3: Cross multiply
    5,417.03x = 8,125.47 × 2,127.83
  4. Step 4: Simplify right side
    5,417.03x = 17,289,578.20
  5. Step 5: Solve for x
    x = 17,289,578.20/5,417.03
  6. Step 6: Final answer
    x = 3,191.71

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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.