Home / 7,467.39-11,202.91-2,787.51

Finding the Fourth Proportional to 7,467.39, 11,202.91 and 2,787.51

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Solution

The fourth proportional to 7,467.39, 11,202.91 and 2,787.51 is: 4,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,467.39 : 11,202.91 = 2,787.51 : x
  2. Step 2: Convert to fraction form
    7,467.39/11,202.91 = 2,787.51/x
  3. Step 3: Cross multiply
    7,467.39x = 11,202.91 × 2,787.51
  4. Step 4: Simplify right side
    7,467.39x = 31,228,258.70
  5. Step 5: Solve for x
    x = 31,228,258.70/7,467.39
  6. Step 6: Final answer
    x = 4,181.95

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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.