Home / 7,635.72-11,445.58-3,195.93

Finding the Fourth Proportional to 7,635.72, 11,445.58 and 3,195.93

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Solution

The fourth proportional to 7,635.72, 11,445.58 and 3,195.93 is: 4,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,635.72 : 11,445.58 = 3,195.93 : x
  2. Step 2: Convert to fraction form
    7,635.72/11,445.58 = 3,195.93/x
  3. Step 3: Cross multiply
    7,635.72x = 11,445.58 × 3,195.93
  4. Step 4: Simplify right side
    7,635.72x = 36,579,215.26
  5. Step 5: Solve for x
    x = 36,579,215.26/7,635.72
  6. Step 6: Final answer
    x = 4,790.54

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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.