Home / 5,336.91-7,364.94-2,979.05

Finding the Fourth Proportional to 5,336.91, 7,364.94 and 2,979.05

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Solution

The fourth proportional to 5,336.91, 7,364.94 and 2,979.05 is: 4,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.91 : 7,364.94 = 2,979.05 : x
  2. Step 2: Convert to fraction form
    5,336.91/7,364.94 = 2,979.05/x
  3. Step 3: Cross multiply
    5,336.91x = 7,364.94 × 2,979.05
  4. Step 4: Simplify right side
    5,336.91x = 21,940,559.60
  5. Step 5: Solve for x
    x = 21,940,559.60/5,336.91
  6. Step 6: Final answer
    x = 4,111.10

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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.