Home / 9,153.20-13,729.73-2,579.34

Finding the Fourth Proportional to 9,153.20, 13,729.73 and 2,579.34

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Solution

The fourth proportional to 9,153.20, 13,729.73 and 2,579.34 is: 3,868.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.20 : 13,729.73 = 2,579.34 : x
  2. Step 2: Convert to fraction form
    9,153.20/13,729.73 = 2,579.34/x
  3. Step 3: Cross multiply
    9,153.20x = 13,729.73 × 2,579.34
  4. Step 4: Simplify right side
    9,153.20x = 35,413,628.88
  5. Step 5: Solve for x
    x = 35,413,628.88/9,153.20
  6. Step 6: Final answer
    x = 3,868.99

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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.