Home / 5,085.03-7,624.68-2,121.04

Finding the Fourth Proportional to 5,085.03, 7,624.68 and 2,121.04

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Solution

The fourth proportional to 5,085.03, 7,624.68 and 2,121.04 is: 3,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.03 : 7,624.68 = 2,121.04 : x
  2. Step 2: Convert to fraction form
    5,085.03/7,624.68 = 2,121.04/x
  3. Step 3: Cross multiply
    5,085.03x = 7,624.68 × 2,121.04
  4. Step 4: Simplify right side
    5,085.03x = 16,172,251.27
  5. Step 5: Solve for x
    x = 16,172,251.27/5,085.03
  6. Step 6: Final answer
    x = 3,180.36

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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.