Home / 5,257.94-7,256.52-3,929.36

Finding the Fourth Proportional to 5,257.94, 7,256.52 and 3,929.36

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Solution

The fourth proportional to 5,257.94, 7,256.52 and 3,929.36 is: 5,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.94 : 7,256.52 = 3,929.36 : x
  2. Step 2: Convert to fraction form
    5,257.94/7,256.52 = 3,929.36/x
  3. Step 3: Cross multiply
    5,257.94x = 7,256.52 × 3,929.36
  4. Step 4: Simplify right side
    5,257.94x = 28,513,479.43
  5. Step 5: Solve for x
    x = 28,513,479.43/5,257.94
  6. Step 6: Final answer
    x = 5,422.94

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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.