Home / 5,477.88-7,565.76-3,992.43

Finding the Fourth Proportional to 5,477.88, 7,565.76 and 3,992.43

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Solution

The fourth proportional to 5,477.88, 7,565.76 and 3,992.43 is: 5,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.88 : 7,565.76 = 3,992.43 : x
  2. Step 2: Convert to fraction form
    5,477.88/7,565.76 = 3,992.43/x
  3. Step 3: Cross multiply
    5,477.88x = 7,565.76 × 3,992.43
  4. Step 4: Simplify right side
    5,477.88x = 30,205,767.20
  5. Step 5: Solve for x
    x = 30,205,767.20/5,477.88
  6. Step 6: Final answer
    x = 5,514.13

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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.