Home / 5,227.13-7,212.44-3,102.10

Finding the Fourth Proportional to 5,227.13, 7,212.44 and 3,102.10

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Solution

The fourth proportional to 5,227.13, 7,212.44 and 3,102.10 is: 4,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.13 : 7,212.44 = 3,102.10 : x
  2. Step 2: Convert to fraction form
    5,227.13/7,212.44 = 3,102.10/x
  3. Step 3: Cross multiply
    5,227.13x = 7,212.44 × 3,102.10
  4. Step 4: Simplify right side
    5,227.13x = 22,373,699.85
  5. Step 5: Solve for x
    x = 22,373,699.85/5,227.13
  6. Step 6: Final answer
    x = 4,280.30

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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.