Home / 8,938.62-12,335.37-4,959.99

Finding the Fourth Proportional to 8,938.62, 12,335.37 and 4,959.99

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Solution

The fourth proportional to 8,938.62, 12,335.37 and 4,959.99 is: 6,844.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.62 : 12,335.37 = 4,959.99 : x
  2. Step 2: Convert to fraction form
    8,938.62/12,335.37 = 4,959.99/x
  3. Step 3: Cross multiply
    8,938.62x = 12,335.37 × 4,959.99
  4. Step 4: Simplify right side
    8,938.62x = 61,183,311.85
  5. Step 5: Solve for x
    x = 61,183,311.85/8,938.62
  6. Step 6: Final answer
    x = 6,844.83

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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.