Home / 7,722.14-11,583.21-5,423.90

Finding the Fourth Proportional to 7,722.14, 11,583.21 and 5,423.90

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Solution

The fourth proportional to 7,722.14, 11,583.21 and 5,423.90 is: 8,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.14 : 11,583.21 = 5,423.90 : x
  2. Step 2: Convert to fraction form
    7,722.14/11,583.21 = 5,423.90/x
  3. Step 3: Cross multiply
    7,722.14x = 11,583.21 × 5,423.90
  4. Step 4: Simplify right side
    7,722.14x = 62,826,172.72
  5. Step 5: Solve for x
    x = 62,826,172.72/7,722.14
  6. Step 6: Final answer
    x = 8,135.85

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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.