Home / 5,514.40-7,610.52-3,157.30

Finding the Fourth Proportional to 5,514.40, 7,610.52 and 3,157.30

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Solution

The fourth proportional to 5,514.40, 7,610.52 and 3,157.30 is: 4,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.40 : 7,610.52 = 3,157.30 : x
  2. Step 2: Convert to fraction form
    5,514.40/7,610.52 = 3,157.30/x
  3. Step 3: Cross multiply
    5,514.40x = 7,610.52 × 3,157.30
  4. Step 4: Simplify right side
    5,514.40x = 24,028,694.80
  5. Step 5: Solve for x
    x = 24,028,694.80/5,514.40
  6. Step 6: Final answer
    x = 4,357.45

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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.