Home / 5,911.30-8,157.89-3,258.70

Finding the Fourth Proportional to 5,911.30, 8,157.89 and 3,258.70

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Solution

The fourth proportional to 5,911.30, 8,157.89 and 3,258.70 is: 4,497.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.30 : 8,157.89 = 3,258.70 : x
  2. Step 2: Convert to fraction form
    5,911.30/8,157.89 = 3,258.70/x
  3. Step 3: Cross multiply
    5,911.30x = 8,157.89 × 3,258.70
  4. Step 4: Simplify right side
    5,911.30x = 26,584,094.73
  5. Step 5: Solve for x
    x = 26,584,094.73/5,911.30
  6. Step 6: Final answer
    x = 4,497.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.