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Finding the Fourth Proportional to 7,325.77, 10,981.95 and 2,644.69

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Solution

The fourth proportional to 7,325.77, 10,981.95 and 2,644.69 is: 3,964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.77 : 10,981.95 = 2,644.69 : x
  2. Step 2: Convert to fraction form
    7,325.77/10,981.95 = 2,644.69/x
  3. Step 3: Cross multiply
    7,325.77x = 10,981.95 × 2,644.69
  4. Step 4: Simplify right side
    7,325.77x = 29,043,853.35
  5. Step 5: Solve for x
    x = 29,043,853.35/7,325.77
  6. Step 6: Final answer
    x = 3,964.61

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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.