Home / 5,514.59-7,610.79-3,157.49

Finding the Fourth Proportional to 5,514.59, 7,610.79 and 3,157.49

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Solution

The fourth proportional to 5,514.59, 7,610.79 and 3,157.49 is: 4,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.59 : 7,610.79 = 3,157.49 : x
  2. Step 2: Convert to fraction form
    5,514.59/7,610.79 = 3,157.49/x
  3. Step 3: Cross multiply
    5,514.59x = 7,610.79 × 3,157.49
  4. Step 4: Simplify right side
    5,514.59x = 24,031,024.18
  5. Step 5: Solve for x
    x = 24,031,024.18/5,514.59
  6. Step 6: Final answer
    x = 4,357.72

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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.