Home / 5,135.25-7,689.75-4,096.77

Finding the Fourth Proportional to 5,135.25, 7,689.75 and 4,096.77

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Solution

The fourth proportional to 5,135.25, 7,689.75 and 4,096.77 is: 6,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.25 : 7,689.75 = 4,096.77 : x
  2. Step 2: Convert to fraction form
    5,135.25/7,689.75 = 4,096.77/x
  3. Step 3: Cross multiply
    5,135.25x = 7,689.75 × 4,096.77
  4. Step 4: Simplify right side
    5,135.25x = 31,503,137.11
  5. Step 5: Solve for x
    x = 31,503,137.11/5,135.25
  6. Step 6: Final answer
    x = 6,134.68

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1.5x scale

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.