Home / 7,640.15-11,460.83-3,257.64

Finding the Fourth Proportional to 7,640.15, 11,460.83 and 3,257.64

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Solution

The fourth proportional to 7,640.15, 11,460.83 and 3,257.64 is: 4,886.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640.15 : 11,460.83 = 3,257.64 : x
  2. Step 2: Convert to fraction form
    7,640.15/11,460.83 = 3,257.64/x
  3. Step 3: Cross multiply
    7,640.15x = 11,460.83 × 3,257.64
  4. Step 4: Simplify right side
    7,640.15x = 37,335,258.24
  5. Step 5: Solve for x
    x = 37,335,258.24/7,640.15
  6. Step 6: Final answer
    x = 4,886.72

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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.