Home / 7,622.32-11,433.52-2,691.40

Finding the Fourth Proportional to 7,622.32, 11,433.52 and 2,691.40

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Solution

The fourth proportional to 7,622.32, 11,433.52 and 2,691.40 is: 4,037.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.32 : 11,433.52 = 2,691.40 : x
  2. Step 2: Convert to fraction form
    7,622.32/11,433.52 = 2,691.40/x
  3. Step 3: Cross multiply
    7,622.32x = 11,433.52 × 2,691.40
  4. Step 4: Simplify right side
    7,622.32x = 30,772,175.73
  5. Step 5: Solve for x
    x = 30,772,175.73/7,622.32
  6. Step 6: Final answer
    x = 4,037.11

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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.