Home / 5,911.25-8,157.43-3,258.91

Finding the Fourth Proportional to 5,911.25, 8,157.43 and 3,258.91

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Solution

The fourth proportional to 5,911.25, 8,157.43 and 3,258.91 is: 4,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.25 : 8,157.43 = 3,258.91 : x
  2. Step 2: Convert to fraction form
    5,911.25/8,157.43 = 3,258.91/x
  3. Step 3: Cross multiply
    5,911.25x = 8,157.43 × 3,258.91
  4. Step 4: Simplify right side
    5,911.25x = 26,584,330.20
  5. Step 5: Solve for x
    x = 26,584,330.20/5,911.25
  6. Step 6: Final answer
    x = 4,497.24

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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.