Home / 8,725.60-13,090.70-3,796.21

Finding the Fourth Proportional to 8,725.60, 13,090.70 and 3,796.21

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Solution

The fourth proportional to 8,725.60, 13,090.70 and 3,796.21 is: 5,695.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.60 : 13,090.70 = 3,796.21 : x
  2. Step 2: Convert to fraction form
    8,725.60/13,090.70 = 3,796.21/x
  3. Step 3: Cross multiply
    8,725.60x = 13,090.70 × 3,796.21
  4. Step 4: Simplify right side
    8,725.60x = 49,695,046.25
  5. Step 5: Solve for x
    x = 49,695,046.25/8,725.60
  6. Step 6: Final answer
    x = 5,695.32

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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.