Home / 9,172.30-13,758.45-2,246.80

Finding the Fourth Proportional to 9,172.30, 13,758.45 and 2,246.80

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Solution

The fourth proportional to 9,172.30, 13,758.45 and 2,246.80 is: 3,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.30 : 13,758.45 = 2,246.80 : x
  2. Step 2: Convert to fraction form
    9,172.30/13,758.45 = 2,246.80/x
  3. Step 3: Cross multiply
    9,172.30x = 13,758.45 × 2,246.80
  4. Step 4: Simplify right side
    9,172.30x = 30,912,485.46
  5. Step 5: Solve for x
    x = 30,912,485.46/9,172.30
  6. Step 6: Final answer
    x = 3,370.20

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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.