Home / 5,122.46-7,686.14-1,835.89

Finding the Fourth Proportional to 5,122.46, 7,686.14 and 1,835.89

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Solution

The fourth proportional to 5,122.46, 7,686.14 and 1,835.89 is: 2,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.46 : 7,686.14 = 1,835.89 : x
  2. Step 2: Convert to fraction form
    5,122.46/7,686.14 = 1,835.89/x
  3. Step 3: Cross multiply
    5,122.46x = 7,686.14 × 1,835.89
  4. Step 4: Simplify right side
    5,122.46x = 14,110,879.17
  5. Step 5: Solve for x
    x = 14,110,879.17/5,122.46
  6. Step 6: Final answer
    x = 2,754.71

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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.