Home / 7,801.49-11,704.13-2,607.77

Finding the Fourth Proportional to 7,801.49, 11,704.13 and 2,607.77

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Solution

The fourth proportional to 7,801.49, 11,704.13 and 2,607.77 is: 3,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.49 : 11,704.13 = 2,607.77 : x
  2. Step 2: Convert to fraction form
    7,801.49/11,704.13 = 2,607.77/x
  3. Step 3: Cross multiply
    7,801.49x = 11,704.13 × 2,607.77
  4. Step 4: Simplify right side
    7,801.49x = 30,521,679.09
  5. Step 5: Solve for x
    x = 30,521,679.09/7,801.49
  6. Step 6: Final answer
    x = 3,912.29

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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.