Home / 8,715.10-13,079.37-3,524.70

Finding the Fourth Proportional to 8,715.10, 13,079.37 and 3,524.70

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Solution

The fourth proportional to 8,715.10, 13,079.37 and 3,524.70 is: 5,289.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.10 : 13,079.37 = 3,524.70 : x
  2. Step 2: Convert to fraction form
    8,715.10/13,079.37 = 3,524.70/x
  3. Step 3: Cross multiply
    8,715.10x = 13,079.37 × 3,524.70
  4. Step 4: Simplify right side
    8,715.10x = 46,100,855.44
  5. Step 5: Solve for x
    x = 46,100,855.44/8,715.10
  6. Step 6: Final answer
    x = 5,289.77

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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.