Home / 7,325.90-10,996.49-3,630.78

Finding the Fourth Proportional to 7,325.90, 10,996.49 and 3,630.78

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Solution

The fourth proportional to 7,325.90, 10,996.49 and 3,630.78 is: 5,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.90 : 10,996.49 = 3,630.78 : x
  2. Step 2: Convert to fraction form
    7,325.90/10,996.49 = 3,630.78/x
  3. Step 3: Cross multiply
    7,325.90x = 10,996.49 × 3,630.78
  4. Step 4: Simplify right side
    7,325.90x = 39,925,817.81
  5. Step 5: Solve for x
    x = 39,925,817.81/7,325.90
  6. Step 6: Final answer
    x = 5,449.95

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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.