Home / 9,172.20-13,759.06-2,933.10

Finding the Fourth Proportional to 9,172.20, 13,759.06 and 2,933.10

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Solution

The fourth proportional to 9,172.20, 13,759.06 and 2,933.10 is: 4,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.20 : 13,759.06 = 2,933.10 : x
  2. Step 2: Convert to fraction form
    9,172.20/13,759.06 = 2,933.10/x
  3. Step 3: Cross multiply
    9,172.20x = 13,759.06 × 2,933.10
  4. Step 4: Simplify right side
    9,172.20x = 40,356,630.09
  5. Step 5: Solve for x
    x = 40,356,630.09/9,172.20
  6. Step 6: Final answer
    x = 4,399.89

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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.