Home / 5,210.22-7,814.49-2,131.50

Finding the Fourth Proportional to 5,210.22, 7,814.49 and 2,131.50

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Solution

The fourth proportional to 5,210.22, 7,814.49 and 2,131.50 is: 3,196.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.22 : 7,814.49 = 2,131.50 : x
  2. Step 2: Convert to fraction form
    5,210.22/7,814.49 = 2,131.50/x
  3. Step 3: Cross multiply
    5,210.22x = 7,814.49 × 2,131.50
  4. Step 4: Simplify right side
    5,210.22x = 16,656,585.44
  5. Step 5: Solve for x
    x = 16,656,585.44/5,210.22
  6. Step 6: Final answer
    x = 3,196.91

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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.