Home / 5,258.56-7,257.32-3,929.95

Finding the Fourth Proportional to 5,258.56, 7,257.32 and 3,929.95

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Solution

The fourth proportional to 5,258.56, 7,257.32 and 3,929.95 is: 5,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.56 : 7,257.32 = 3,929.95 : x
  2. Step 2: Convert to fraction form
    5,258.56/7,257.32 = 3,929.95/x
  3. Step 3: Cross multiply
    5,258.56x = 7,257.32 × 3,929.95
  4. Step 4: Simplify right side
    5,258.56x = 28,520,904.73
  5. Step 5: Solve for x
    x = 28,520,904.73/5,258.56
  6. Step 6: Final answer
    x = 5,423.71

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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.