Home / 7,195.11-10,790.61-3,638.85

Finding the Fourth Proportional to 7,195.11, 10,790.61 and 3,638.85

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Solution

The fourth proportional to 7,195.11, 10,790.61 and 3,638.85 is: 5,457.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.11 : 10,790.61 = 3,638.85 : x
  2. Step 2: Convert to fraction form
    7,195.11/10,790.61 = 3,638.85/x
  3. Step 3: Cross multiply
    7,195.11x = 10,790.61 × 3,638.85
  4. Step 4: Simplify right side
    7,195.11x = 39,265,411.20
  5. Step 5: Solve for x
    x = 39,265,411.20/7,195.11
  6. Step 6: Final answer
    x = 5,457.24

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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.