Home / 7,934.45-11,901.78-3,002.77

Finding the Fourth Proportional to 7,934.45, 11,901.78 and 3,002.77

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Solution

The fourth proportional to 7,934.45, 11,901.78 and 3,002.77 is: 4,504.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.45 : 11,901.78 = 3,002.77 : x
  2. Step 2: Convert to fraction form
    7,934.45/11,901.78 = 3,002.77/x
  3. Step 3: Cross multiply
    7,934.45x = 11,901.78 × 3,002.77
  4. Step 4: Simplify right side
    7,934.45x = 35,738,233.41
  5. Step 5: Solve for x
    x = 35,738,233.41/7,934.45
  6. Step 6: Final answer
    x = 4,504.19

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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.