Home / 6,847.49-10,272.96-1,917.15

Finding the Fourth Proportional to 6,847.49, 10,272.96 and 1,917.15

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Solution

The fourth proportional to 6,847.49, 10,272.96 and 1,917.15 is: 2,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,847.49 : 10,272.96 = 1,917.15 : x
  2. Step 2: Convert to fraction form
    6,847.49/10,272.96 = 1,917.15/x
  3. Step 3: Cross multiply
    6,847.49x = 10,272.96 × 1,917.15
  4. Step 4: Simplify right side
    6,847.49x = 19,694,805.26
  5. Step 5: Solve for x
    x = 19,694,805.26/6,847.49
  6. Step 6: Final answer
    x = 2,876.21

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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.