Home / 9,172.20-13,763.70-3,329.40

Finding the Fourth Proportional to 9,172.20, 13,763.70 and 3,329.40

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Solution

The fourth proportional to 9,172.20, 13,763.70 and 3,329.40 is: 4,996.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.20 : 13,763.70 = 3,329.40 : x
  2. Step 2: Convert to fraction form
    9,172.20/13,763.70 = 3,329.40/x
  3. Step 3: Cross multiply
    9,172.20x = 13,763.70 × 3,329.40
  4. Step 4: Simplify right side
    9,172.20x = 45,824,862.78
  5. Step 5: Solve for x
    x = 45,824,862.78/9,172.20
  6. Step 6: Final answer
    x = 4,996.06

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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.