Home / 5,247.89-7,864.43-2,908.94

Finding the Fourth Proportional to 5,247.89, 7,864.43 and 2,908.94

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Solution

The fourth proportional to 5,247.89, 7,864.43 and 2,908.94 is: 4,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.89 : 7,864.43 = 2,908.94 : x
  2. Step 2: Convert to fraction form
    5,247.89/7,864.43 = 2,908.94/x
  3. Step 3: Cross multiply
    5,247.89x = 7,864.43 × 2,908.94
  4. Step 4: Simplify right side
    5,247.89x = 22,877,135.53
  5. Step 5: Solve for x
    x = 22,877,135.53/5,247.89
  6. Step 6: Final answer
    x = 4,359.30

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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.