Home / 5,455.24-7,519.25-3,859.85

Finding the Fourth Proportional to 5,455.24, 7,519.25 and 3,859.85

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Solution

The fourth proportional to 5,455.24, 7,519.25 and 3,859.85 is: 5,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.24 : 7,519.25 = 3,859.85 : x
  2. Step 2: Convert to fraction form
    5,455.24/7,519.25 = 3,859.85/x
  3. Step 3: Cross multiply
    5,455.24x = 7,519.25 × 3,859.85
  4. Step 4: Simplify right side
    5,455.24x = 29,023,157.81
  5. Step 5: Solve for x
    x = 29,023,157.81/5,455.24
  6. Step 6: Final answer
    x = 5,320.24

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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.