Home / 5,234.16-7,840.63-2,418.99

Finding the Fourth Proportional to 5,234.16, 7,840.63 and 2,418.99

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Solution

The fourth proportional to 5,234.16, 7,840.63 and 2,418.99 is: 3,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.16 : 7,840.63 = 2,418.99 : x
  2. Step 2: Convert to fraction form
    5,234.16/7,840.63 = 2,418.99/x
  3. Step 3: Cross multiply
    5,234.16x = 7,840.63 × 2,418.99
  4. Step 4: Simplify right side
    5,234.16x = 18,966,405.56
  5. Step 5: Solve for x
    x = 18,966,405.56/5,234.16
  6. Step 6: Final answer
    x = 3,623.59

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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.