Home / 4,145.83-6,218.62-1,679.99

Finding the Fourth Proportional to 4,145.83, 6,218.62 and 1,679.99

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Solution

The fourth proportional to 4,145.83, 6,218.62 and 1,679.99 is: 2,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.83 : 6,218.62 = 1,679.99 : x
  2. Step 2: Convert to fraction form
    4,145.83/6,218.62 = 1,679.99/x
  3. Step 3: Cross multiply
    4,145.83x = 6,218.62 × 1,679.99
  4. Step 4: Simplify right side
    4,145.83x = 10,447,228.55
  5. Step 5: Solve for x
    x = 10,447,228.55/4,145.83
  6. Step 6: Final answer
    x = 2,519.93

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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.