Home / 7,723.89-10,660.11-4,891.53

Finding the Fourth Proportional to 7,723.89, 10,660.11 and 4,891.53

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Solution

The fourth proportional to 7,723.89, 10,660.11 and 4,891.53 is: 6,751.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.89 : 10,660.11 = 4,891.53 : x
  2. Step 2: Convert to fraction form
    7,723.89/10,660.11 = 4,891.53/x
  3. Step 3: Cross multiply
    7,723.89x = 10,660.11 × 4,891.53
  4. Step 4: Simplify right side
    7,723.89x = 52,144,247.87
  5. Step 5: Solve for x
    x = 52,144,247.87/7,723.89
  6. Step 6: Final answer
    x = 6,751.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.