Home / 4,272.85-6,404.15-1,933.44

Finding the Fourth Proportional to 4,272.85, 6,404.15 and 1,933.44

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Solution

The fourth proportional to 4,272.85, 6,404.15 and 1,933.44 is: 2,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.85 : 6,404.15 = 1,933.44 : x
  2. Step 2: Convert to fraction form
    4,272.85/6,404.15 = 1,933.44/x
  3. Step 3: Cross multiply
    4,272.85x = 6,404.15 × 1,933.44
  4. Step 4: Simplify right side
    4,272.85x = 12,382,071.91
  5. Step 5: Solve for x
    x = 12,382,071.91/4,272.85
  6. Step 6: Final answer
    x = 2,897.85

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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.