Home / 7,082.45-10,623.60-4,309.91

Finding the Fourth Proportional to 7,082.45, 10,623.60 and 4,309.91

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Solution

The fourth proportional to 7,082.45, 10,623.60 and 4,309.91 is: 6,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.45 : 10,623.60 = 4,309.91 : x
  2. Step 2: Convert to fraction form
    7,082.45/10,623.60 = 4,309.91/x
  3. Step 3: Cross multiply
    7,082.45x = 10,623.60 × 4,309.91
  4. Step 4: Simplify right side
    7,082.45x = 45,786,706.76
  5. Step 5: Solve for x
    x = 45,786,706.76/7,082.45
  6. Step 6: Final answer
    x = 6,464.82

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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.