Home / 6,071.63-8,382.49-3,979.40

Finding the Fourth Proportional to 6,071.63, 8,382.49 and 3,979.40

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Solution

The fourth proportional to 6,071.63, 8,382.49 and 3,979.40 is: 5,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,071.63 : 8,382.49 = 3,979.40 : x
  2. Step 2: Convert to fraction form
    6,071.63/8,382.49 = 3,979.40/x
  3. Step 3: Cross multiply
    6,071.63x = 8,382.49 × 3,979.40
  4. Step 4: Simplify right side
    6,071.63x = 33,357,228.85
  5. Step 5: Solve for x
    x = 33,357,228.85/6,071.63
  6. Step 6: Final answer
    x = 5,493.95

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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.