Home / 5,336.26-7,364.45-2,978.75

Finding the Fourth Proportional to 5,336.26, 7,364.45 and 2,978.75

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Solution

The fourth proportional to 5,336.26, 7,364.45 and 2,978.75 is: 4,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.26 : 7,364.45 = 2,978.75 : x
  2. Step 2: Convert to fraction form
    5,336.26/7,364.45 = 2,978.75/x
  3. Step 3: Cross multiply
    5,336.26x = 7,364.45 × 2,978.75
  4. Step 4: Simplify right side
    5,336.26x = 21,936,881.30
  5. Step 5: Solve for x
    x = 21,936,881.30/5,336.26
  6. Step 6: Final answer
    x = 4,110.91

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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.