Home / 9,175.60-13,760.16-3,330.64

Finding the Fourth Proportional to 9,175.60, 13,760.16 and 3,330.64

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Solution

The fourth proportional to 9,175.60, 13,760.16 and 3,330.64 is: 4,994.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.60 : 13,760.16 = 3,330.64 : x
  2. Step 2: Convert to fraction form
    9,175.60/13,760.16 = 3,330.64/x
  3. Step 3: Cross multiply
    9,175.60x = 13,760.16 × 3,330.64
  4. Step 4: Simplify right side
    9,175.60x = 45,830,139.30
  5. Step 5: Solve for x
    x = 45,830,139.30/9,175.60
  6. Step 6: Final answer
    x = 4,994.78

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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.