Home / 7,716.70-11,580.45-4,950.10

Finding the Fourth Proportional to 7,716.70, 11,580.45 and 4,950.10

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Solution

The fourth proportional to 7,716.70, 11,580.45 and 4,950.10 is: 7,428.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.70 : 11,580.45 = 4,950.10 : x
  2. Step 2: Convert to fraction form
    7,716.70/11,580.45 = 4,950.10/x
  3. Step 3: Cross multiply
    7,716.70x = 11,580.45 × 4,950.10
  4. Step 4: Simplify right side
    7,716.70x = 57,324,385.55
  5. Step 5: Solve for x
    x = 57,324,385.55/7,716.70
  6. Step 6: Final answer
    x = 7,428.61

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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.