Home / 9,120.06-13,662.81-4,506.30

Finding the Fourth Proportional to 9,120.06, 13,662.81 and 4,506.30

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Solution

The fourth proportional to 9,120.06, 13,662.81 and 4,506.30 is: 6,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.06 : 13,662.81 = 4,506.30 : x
  2. Step 2: Convert to fraction form
    9,120.06/13,662.81 = 4,506.30/x
  3. Step 3: Cross multiply
    9,120.06x = 13,662.81 × 4,506.30
  4. Step 4: Simplify right side
    9,120.06x = 61,568,720.70
  5. Step 5: Solve for x
    x = 61,568,720.70/9,120.06
  6. Step 6: Final answer
    x = 6,750.91

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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.