Home / 5,234.07-7,222.87-2,876.21

Finding the Fourth Proportional to 5,234.07, 7,222.87 and 2,876.21

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Solution

The fourth proportional to 5,234.07, 7,222.87 and 2,876.21 is: 3,969.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.07 : 7,222.87 = 2,876.21 : x
  2. Step 2: Convert to fraction form
    5,234.07/7,222.87 = 2,876.21/x
  3. Step 3: Cross multiply
    5,234.07x = 7,222.87 × 2,876.21
  4. Step 4: Simplify right side
    5,234.07x = 20,774,485.49
  5. Step 5: Solve for x
    x = 20,774,485.49/5,234.07
  6. Step 6: Final answer
    x = 3,969.09

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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.