Home / 6,813.52-10,221.36-2,917.60

Finding the Fourth Proportional to 6,813.52, 10,221.36 and 2,917.60

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Solution

The fourth proportional to 6,813.52, 10,221.36 and 2,917.60 is: 4,376.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.52 : 10,221.36 = 2,917.60 : x
  2. Step 2: Convert to fraction form
    6,813.52/10,221.36 = 2,917.60/x
  3. Step 3: Cross multiply
    6,813.52x = 10,221.36 × 2,917.60
  4. Step 4: Simplify right side
    6,813.52x = 29,821,839.94
  5. Step 5: Solve for x
    x = 29,821,839.94/6,813.52
  6. Step 6: Final answer
    x = 4,376.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.