Home / 8,939.46-12,335.49-5,795.65

Finding the Fourth Proportional to 8,939.46, 12,335.49 and 5,795.65

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Solution

The fourth proportional to 8,939.46, 12,335.49 and 5,795.65 is: 7,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.46 : 12,335.49 = 5,795.65 : x
  2. Step 2: Convert to fraction form
    8,939.46/12,335.49 = 5,795.65/x
  3. Step 3: Cross multiply
    8,939.46x = 12,335.49 × 5,795.65
  4. Step 4: Simplify right side
    8,939.46x = 71,492,198.04
  5. Step 5: Solve for x
    x = 71,492,198.04/8,939.46
  6. Step 6: Final answer
    x = 7,997.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.