Home / 7,005.25-10,511.97-3,887.88

Finding the Fourth Proportional to 7,005.25, 10,511.97 and 3,887.88

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Solution

The fourth proportional to 7,005.25, 10,511.97 and 3,887.88 is: 5,834.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.25 : 10,511.97 = 3,887.88 : x
  2. Step 2: Convert to fraction form
    7,005.25/10,511.97 = 3,887.88/x
  3. Step 3: Cross multiply
    7,005.25x = 10,511.97 × 3,887.88
  4. Step 4: Simplify right side
    7,005.25x = 40,869,277.92
  5. Step 5: Solve for x
    x = 40,869,277.92/7,005.25
  6. Step 6: Final answer
    x = 5,834.09

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1.5x scale

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.