Home / 5,090.58-7,638.47-2,460.33

Finding the Fourth Proportional to 5,090.58, 7,638.47 and 2,460.33

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Solution

The fourth proportional to 5,090.58, 7,638.47 and 2,460.33 is: 3,691.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.58 : 7,638.47 = 2,460.33 : x
  2. Step 2: Convert to fraction form
    5,090.58/7,638.47 = 2,460.33/x
  3. Step 3: Cross multiply
    5,090.58x = 7,638.47 × 2,460.33
  4. Step 4: Simplify right side
    5,090.58x = 18,793,156.90
  5. Step 5: Solve for x
    x = 18,793,156.90/5,090.58
  6. Step 6: Final answer
    x = 3,691.75

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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.