Home / 4,992.16-7,490.00-2,218.58

Finding the Fourth Proportional to 4,992.16, 7,490.00 and 2,218.58

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Solution

The fourth proportional to 4,992.16, 7,490.00 and 2,218.58 is: 3,328.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.16 : 7,490.00 = 2,218.58 : x
  2. Step 2: Convert to fraction form
    4,992.16/7,490.00 = 2,218.58/x
  3. Step 3: Cross multiply
    4,992.16x = 7,490.00 × 2,218.58
  4. Step 4: Simplify right side
    4,992.16x = 16,617,188.47
  5. Step 5: Solve for x
    x = 16,617,188.47/4,992.16
  6. Step 6: Final answer
    x = 3,328.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.