Home / 5,424.14-8,138.03-1,726.89

Finding the Fourth Proportional to 5,424.14, 8,138.03 and 1,726.89

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Solution

The fourth proportional to 5,424.14, 8,138.03 and 1,726.89 is: 2,590.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.14 : 8,138.03 = 1,726.89 : x
  2. Step 2: Convert to fraction form
    5,424.14/8,138.03 = 1,726.89/x
  3. Step 3: Cross multiply
    5,424.14x = 8,138.03 × 1,726.89
  4. Step 4: Simplify right side
    5,424.14x = 14,053,473.99
  5. Step 5: Solve for x
    x = 14,053,473.99/5,424.14
  6. Step 6: Final answer
    x = 2,590.92

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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.