Home / 4,140.36-5,714.10-3,090.60

Finding the Fourth Proportional to 4,140.36, 5,714.10 and 3,090.60

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Solution

The fourth proportional to 4,140.36, 5,714.10 and 3,090.60 is: 4,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.36 : 5,714.10 = 3,090.60 : x
  2. Step 2: Convert to fraction form
    4,140.36/5,714.10 = 3,090.60/x
  3. Step 3: Cross multiply
    4,140.36x = 5,714.10 × 3,090.60
  4. Step 4: Simplify right side
    4,140.36x = 17,659,997.46
  5. Step 5: Solve for x
    x = 17,659,997.46/4,140.36
  6. Step 6: Final answer
    x = 4,265.33

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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.