Home / 5,336.35-7,364.49-2,978.65

Finding the Fourth Proportional to 5,336.35, 7,364.49 and 2,978.65

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Solution

The fourth proportional to 5,336.35, 7,364.49 and 2,978.65 is: 4,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.35 : 7,364.49 = 2,978.65 : x
  2. Step 2: Convert to fraction form
    5,336.35/7,364.49 = 2,978.65/x
  3. Step 3: Cross multiply
    5,336.35x = 7,364.49 × 2,978.65
  4. Step 4: Simplify right side
    5,336.35x = 21,936,238.14
  5. Step 5: Solve for x
    x = 21,936,238.14/5,336.35
  6. Step 6: Final answer
    x = 4,110.72

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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.