Home / 9,066.80-13,600.20-5,171.60

Finding the Fourth Proportional to 9,066.80, 13,600.20 and 5,171.60

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Solution

The fourth proportional to 9,066.80, 13,600.20 and 5,171.60 is: 7,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,066.80 : 13,600.20 = 5,171.60 : x
  2. Step 2: Convert to fraction form
    9,066.80/13,600.20 = 5,171.60/x
  3. Step 3: Cross multiply
    9,066.80x = 13,600.20 × 5,171.60
  4. Step 4: Simplify right side
    9,066.80x = 70,334,794.32
  5. Step 5: Solve for x
    x = 70,334,794.32/9,066.80
  6. Step 6: Final answer
    x = 7,757.40

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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.