Home / 5,238.91-7,851.20-2,895.44

Finding the Fourth Proportional to 5,238.91, 7,851.20 and 2,895.44

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Solution

The fourth proportional to 5,238.91, 7,851.20 and 2,895.44 is: 4,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.91 : 7,851.20 = 2,895.44 : x
  2. Step 2: Convert to fraction form
    5,238.91/7,851.20 = 2,895.44/x
  3. Step 3: Cross multiply
    5,238.91x = 7,851.20 × 2,895.44
  4. Step 4: Simplify right side
    5,238.91x = 22,732,678.53
  5. Step 5: Solve for x
    x = 22,732,678.53/5,238.91
  6. Step 6: Final answer
    x = 4,339.20

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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.