Home / 5,236.76-7,855.04-2,116.72

Finding the Fourth Proportional to 5,236.76, 7,855.04 and 2,116.72

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Solution

The fourth proportional to 5,236.76, 7,855.04 and 2,116.72 is: 3,175.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.76 : 7,855.04 = 2,116.72 : x
  2. Step 2: Convert to fraction form
    5,236.76/7,855.04 = 2,116.72/x
  3. Step 3: Cross multiply
    5,236.76x = 7,855.04 × 2,116.72
  4. Step 4: Simplify right side
    5,236.76x = 16,626,920.27
  5. Step 5: Solve for x
    x = 16,626,920.27/5,236.76
  6. Step 6: Final answer
    x = 3,175.04

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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.