Home / 5,125.26-7,690.88-2,005.11

Finding the Fourth Proportional to 5,125.26, 7,690.88 and 2,005.11

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Solution

The fourth proportional to 5,125.26, 7,690.88 and 2,005.11 is: 3,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.26 : 7,690.88 = 2,005.11 : x
  2. Step 2: Convert to fraction form
    5,125.26/7,690.88 = 2,005.11/x
  3. Step 3: Cross multiply
    5,125.26x = 7,690.88 × 2,005.11
  4. Step 4: Simplify right side
    5,125.26x = 15,421,050.37
  5. Step 5: Solve for x
    x = 15,421,050.37/5,125.26
  6. Step 6: Final answer
    x = 3,008.83

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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.