Home / 5,514.15-7,609.40-3,156.14

Finding the Fourth Proportional to 5,514.15, 7,609.40 and 3,156.14

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Solution

The fourth proportional to 5,514.15, 7,609.40 and 3,156.14 is: 4,355.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.15 : 7,609.40 = 3,156.14 : x
  2. Step 2: Convert to fraction form
    5,514.15/7,609.40 = 3,156.14/x
  3. Step 3: Cross multiply
    5,514.15x = 7,609.40 × 3,156.14
  4. Step 4: Simplify right side
    5,514.15x = 24,016,277.89
  5. Step 5: Solve for x
    x = 24,016,277.89/5,514.15
  6. Step 6: Final answer
    x = 4,355.39

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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.