Home / 4,090.41-5,641.30-3,455.47

Finding the Fourth Proportional to 4,090.41, 5,641.30 and 3,455.47

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Solution

The fourth proportional to 4,090.41, 5,641.30 and 3,455.47 is: 4,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.41 : 5,641.30 = 3,455.47 : x
  2. Step 2: Convert to fraction form
    4,090.41/5,641.30 = 3,455.47/x
  3. Step 3: Cross multiply
    4,090.41x = 5,641.30 × 3,455.47
  4. Step 4: Simplify right side
    4,090.41x = 19,493,346.80
  5. Step 5: Solve for x
    x = 19,493,346.80/4,090.41
  6. Step 6: Final answer
    x = 4,765.62

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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.