Home / 5,208.30-7,174.98-4,145.76

Finding the Fourth Proportional to 5,208.30, 7,174.98 and 4,145.76

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Solution

The fourth proportional to 5,208.30, 7,174.98 and 4,145.76 is: 5,711.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.30 : 7,174.98 = 4,145.76 : x
  2. Step 2: Convert to fraction form
    5,208.30/7,174.98 = 4,145.76/x
  3. Step 3: Cross multiply
    5,208.30x = 7,174.98 × 4,145.76
  4. Step 4: Simplify right side
    5,208.30x = 29,745,745.08
  5. Step 5: Solve for x
    x = 29,745,745.08/5,208.30
  6. Step 6: Final answer
    x = 5,711.22

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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.