Home / 5,031.36-7,536.40-3,181.52

Finding the Fourth Proportional to 5,031.36, 7,536.40 and 3,181.52

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Solution

The fourth proportional to 5,031.36, 7,536.40 and 3,181.52 is: 4,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.36 : 7,536.40 = 3,181.52 : x
  2. Step 2: Convert to fraction form
    5,031.36/7,536.40 = 3,181.52/x
  3. Step 3: Cross multiply
    5,031.36x = 7,536.40 × 3,181.52
  4. Step 4: Simplify right side
    5,031.36x = 23,977,207.33
  5. Step 5: Solve for x
    x = 23,977,207.33/5,031.36
  6. Step 6: Final answer
    x = 4,765.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.