Home / 7,581.92-11,374.09-2,651.45

Finding the Fourth Proportional to 7,581.92, 11,374.09 and 2,651.45

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Solution

The fourth proportional to 7,581.92, 11,374.09 and 2,651.45 is: 3,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.92 : 11,374.09 = 2,651.45 : x
  2. Step 2: Convert to fraction form
    7,581.92/11,374.09 = 2,651.45/x
  3. Step 3: Cross multiply
    7,581.92x = 11,374.09 × 2,651.45
  4. Step 4: Simplify right side
    7,581.92x = 30,157,767.43
  5. Step 5: Solve for x
    x = 30,157,767.43/7,581.92
  6. Step 6: Final answer
    x = 3,977.59

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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.