Home / 7,708.18-11,559.39-2,776.54

Finding the Fourth Proportional to 7,708.18, 11,559.39 and 2,776.54

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Solution

The fourth proportional to 7,708.18, 11,559.39 and 2,776.54 is: 4,163.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.18 : 11,559.39 = 2,776.54 : x
  2. Step 2: Convert to fraction form
    7,708.18/11,559.39 = 2,776.54/x
  3. Step 3: Cross multiply
    7,708.18x = 11,559.39 × 2,776.54
  4. Step 4: Simplify right side
    7,708.18x = 32,095,108.71
  5. Step 5: Solve for x
    x = 32,095,108.71/7,708.18
  6. Step 6: Final answer
    x = 4,163.77

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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.