Home / 5,240.06-7,230.48-3,115.54

Finding the Fourth Proportional to 5,240.06, 7,230.48 and 3,115.54

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Solution

The fourth proportional to 5,240.06, 7,230.48 and 3,115.54 is: 4,298.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.06 : 7,230.48 = 3,115.54 : x
  2. Step 2: Convert to fraction form
    5,240.06/7,230.48 = 3,115.54/x
  3. Step 3: Cross multiply
    5,240.06x = 7,230.48 × 3,115.54
  4. Step 4: Simplify right side
    5,240.06x = 22,526,847.01
  5. Step 5: Solve for x
    x = 22,526,847.01/5,240.06
  6. Step 6: Final answer
    x = 4,298.97

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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.