Home / 5,514-7,610.64-3,157.48

Finding the Fourth Proportional to 5,514, 7,610.64 and 3,157.48

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Solution

The fourth proportional to 5,514, 7,610.64 and 3,157.48 is: 4,358.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514 : 7,610.64 = 3,157.48 : x
  2. Step 2: Convert to fraction form
    5,514/7,610.64 = 3,157.48/x
  3. Step 3: Cross multiply
    5,514x = 7,610.64 × 3,157.48
  4. Step 4: Simplify right side
    5,514x = 24,030,443.59
  5. Step 5: Solve for x
    x = 24,030,443.59/5,514
  6. Step 6: Final answer
    x = 4,358.08

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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.