Home / 4,992.30-6,890.67-3,005.10

Finding the Fourth Proportional to 4,992.30, 6,890.67 and 3,005.10

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Solution

The fourth proportional to 4,992.30, 6,890.67 and 3,005.10 is: 4,147.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.30 : 6,890.67 = 3,005.10 : x
  2. Step 2: Convert to fraction form
    4,992.30/6,890.67 = 3,005.10/x
  3. Step 3: Cross multiply
    4,992.30x = 6,890.67 × 3,005.10
  4. Step 4: Simplify right side
    4,992.30x = 20,707,152.42
  5. Step 5: Solve for x
    x = 20,707,152.42/4,992.30
  6. Step 6: Final answer
    x = 4,147.82

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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.