Home / 7,190.42-10,788.23-2,511.12

Finding the Fourth Proportional to 7,190.42, 10,788.23 and 2,511.12

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Solution

The fourth proportional to 7,190.42, 10,788.23 and 2,511.12 is: 3,767.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.42 : 10,788.23 = 2,511.12 : x
  2. Step 2: Convert to fraction form
    7,190.42/10,788.23 = 2,511.12/x
  3. Step 3: Cross multiply
    7,190.42x = 10,788.23 × 2,511.12
  4. Step 4: Simplify right side
    7,190.42x = 27,090,500.59
  5. Step 5: Solve for x
    x = 27,090,500.59/7,190.42
  6. Step 6: Final answer
    x = 3,767.58

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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.