Home / 6,774.10-9,348.45-3,789.86

Finding the Fourth Proportional to 6,774.10, 9,348.45 and 3,789.86

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Solution

The fourth proportional to 6,774.10, 9,348.45 and 3,789.86 is: 5,230.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774.10 : 9,348.45 = 3,789.86 : x
  2. Step 2: Convert to fraction form
    6,774.10/9,348.45 = 3,789.86/x
  3. Step 3: Cross multiply
    6,774.10x = 9,348.45 × 3,789.86
  4. Step 4: Simplify right side
    6,774.10x = 35,429,316.72
  5. Step 5: Solve for x
    x = 35,429,316.72/6,774.10
  6. Step 6: Final answer
    x = 5,230.11

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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.