Home / 7,589.49-11,385.78-3,206.94

Finding the Fourth Proportional to 7,589.49, 11,385.78 and 3,206.94

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Solution

The fourth proportional to 7,589.49, 11,385.78 and 3,206.94 is: 4,811.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.49 : 11,385.78 = 3,206.94 : x
  2. Step 2: Convert to fraction form
    7,589.49/11,385.78 = 3,206.94/x
  3. Step 3: Cross multiply
    7,589.49x = 11,385.78 × 3,206.94
  4. Step 4: Simplify right side
    7,589.49x = 36,513,513.31
  5. Step 5: Solve for x
    x = 36,513,513.31/7,589.49
  6. Step 6: Final answer
    x = 4,811.06

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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.