Home / 5,108.46-7,665.57-2,511.42

Finding the Fourth Proportional to 5,108.46, 7,665.57 and 2,511.42

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Solution

The fourth proportional to 5,108.46, 7,665.57 and 2,511.42 is: 3,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.46 : 7,665.57 = 2,511.42 : x
  2. Step 2: Convert to fraction form
    5,108.46/7,665.57 = 2,511.42/x
  3. Step 3: Cross multiply
    5,108.46x = 7,665.57 × 2,511.42
  4. Step 4: Simplify right side
    5,108.46x = 19,251,465.81
  5. Step 5: Solve for x
    x = 19,251,465.81/5,108.46
  6. Step 6: Final answer
    x = 3,768.55

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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.