Home / 5,076.12-7,604.69-2,989.96

Finding the Fourth Proportional to 5,076.12, 7,604.69 and 2,989.96

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Solution

The fourth proportional to 5,076.12, 7,604.69 and 2,989.96 is: 4,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.12 : 7,604.69 = 2,989.96 : x
  2. Step 2: Convert to fraction form
    5,076.12/7,604.69 = 2,989.96/x
  3. Step 3: Cross multiply
    5,076.12x = 7,604.69 × 2,989.96
  4. Step 4: Simplify right side
    5,076.12x = 22,737,727.73
  5. Step 5: Solve for x
    x = 22,737,727.73/5,076.12
  6. Step 6: Final answer
    x = 4,479.35

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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.