Home / 5,509.68-7,601.16-3,519.72

Finding the Fourth Proportional to 5,509.68, 7,601.16 and 3,519.72

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Solution

The fourth proportional to 5,509.68, 7,601.16 and 3,519.72 is: 4,855.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.68 : 7,601.16 = 3,519.72 : x
  2. Step 2: Convert to fraction form
    5,509.68/7,601.16 = 3,519.72/x
  3. Step 3: Cross multiply
    5,509.68x = 7,601.16 × 3,519.72
  4. Step 4: Simplify right side
    5,509.68x = 26,753,954.88
  5. Step 5: Solve for x
    x = 26,753,954.88/5,509.68
  6. Step 6: Final answer
    x = 4,855.81

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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.