Home / 6,212.08-8,571.18-5,714.20

Finding the Fourth Proportional to 6,212.08, 8,571.18 and 5,714.20

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Solution

The fourth proportional to 6,212.08, 8,571.18 and 5,714.20 is: 7,884.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.08 : 8,571.18 = 5,714.20 : x
  2. Step 2: Convert to fraction form
    6,212.08/8,571.18 = 5,714.20/x
  3. Step 3: Cross multiply
    6,212.08x = 8,571.18 × 5,714.20
  4. Step 4: Simplify right side
    6,212.08x = 48,977,436.76
  5. Step 5: Solve for x
    x = 48,977,436.76/6,212.08
  6. Step 6: Final answer
    x = 7,884.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.