Home / 5,230.91-7,218.83-2,992.79

Finding the Fourth Proportional to 5,230.91, 7,218.83 and 2,992.79

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Solution

The fourth proportional to 5,230.91, 7,218.83 and 2,992.79 is: 4,130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.91 : 7,218.83 = 2,992.79 : x
  2. Step 2: Convert to fraction form
    5,230.91/7,218.83 = 2,992.79/x
  3. Step 3: Cross multiply
    5,230.91x = 7,218.83 × 2,992.79
  4. Step 4: Simplify right side
    5,230.91x = 21,604,442.24
  5. Step 5: Solve for x
    x = 21,604,442.24/5,230.91
  6. Step 6: Final answer
    x = 4,130.15

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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.