Home / 8,715.13-13,072.69-3,524.65

Finding the Fourth Proportional to 8,715.13, 13,072.69 and 3,524.65

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Solution

The fourth proportional to 8,715.13, 13,072.69 and 3,524.65 is: 5,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.13 : 13,072.69 = 3,524.65 : x
  2. Step 2: Convert to fraction form
    8,715.13/13,072.69 = 3,524.65/x
  3. Step 3: Cross multiply
    8,715.13x = 13,072.69 × 3,524.65
  4. Step 4: Simplify right side
    8,715.13x = 46,076,628.53
  5. Step 5: Solve for x
    x = 46,076,628.53/8,715.13
  6. Step 6: Final answer
    x = 5,286.97

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Similar ratio
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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.