Home / 4,462.80-6,685.08-2,115.69

Finding the Fourth Proportional to 4,462.80, 6,685.08 and 2,115.69

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Solution

The fourth proportional to 4,462.80, 6,685.08 and 2,115.69 is: 3,169.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,462.80 : 6,685.08 = 2,115.69 : x
  2. Step 2: Convert to fraction form
    4,462.80/6,685.08 = 2,115.69/x
  3. Step 3: Cross multiply
    4,462.80x = 6,685.08 × 2,115.69
  4. Step 4: Simplify right side
    4,462.80x = 14,143,556.91
  5. Step 5: Solve for x
    x = 14,143,556.91/4,462.80
  6. Step 6: Final answer
    x = 3,169.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.