Home / 4,145.50-6,218.94-2,065.58

Finding the Fourth Proportional to 4,145.50, 6,218.94 and 2,065.58

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Solution

The fourth proportional to 4,145.50, 6,218.94 and 2,065.58 is: 3,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.50 : 6,218.94 = 2,065.58 : x
  2. Step 2: Convert to fraction form
    4,145.50/6,218.94 = 2,065.58/x
  3. Step 3: Cross multiply
    4,145.50x = 6,218.94 × 2,065.58
  4. Step 4: Simplify right side
    4,145.50x = 12,845,691.85
  5. Step 5: Solve for x
    x = 12,845,691.85/4,145.50
  6. Step 6: Final answer
    x = 3,098.70

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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.