Home / 7,686.07-11,529.17-2,491.94

Finding the Fourth Proportional to 7,686.07, 11,529.17 and 2,491.94

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Solution

The fourth proportional to 7,686.07, 11,529.17 and 2,491.94 is: 3,737.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.07 : 11,529.17 = 2,491.94 : x
  2. Step 2: Convert to fraction form
    7,686.07/11,529.17 = 2,491.94/x
  3. Step 3: Cross multiply
    7,686.07x = 11,529.17 × 2,491.94
  4. Step 4: Simplify right side
    7,686.07x = 28,729,999.89
  5. Step 5: Solve for x
    x = 28,729,999.89/7,686.07
  6. Step 6: Final answer
    x = 3,737.93

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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.