Home / 7,005.80-10,511.64-3,887.96

Finding the Fourth Proportional to 7,005.80, 10,511.64 and 3,887.96

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Solution

The fourth proportional to 7,005.80, 10,511.64 and 3,887.96 is: 5,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.80 : 10,511.64 = 3,887.96 : x
  2. Step 2: Convert to fraction form
    7,005.80/10,511.64 = 3,887.96/x
  3. Step 3: Cross multiply
    7,005.80x = 10,511.64 × 3,887.96
  4. Step 4: Simplify right side
    7,005.80x = 40,868,835.85
  5. Step 5: Solve for x
    x = 40,868,835.85/7,005.80
  6. Step 6: Final answer
    x = 5,833.57

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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.