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Finding the Fourth Proportional to 8,258.51, 12,399.08 and 4,258.73

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Solution

The fourth proportional to 8,258.51, 12,399.08 and 4,258.73 is: 6,393.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.51 : 12,399.08 = 4,258.73 : x
  2. Step 2: Convert to fraction form
    8,258.51/12,399.08 = 4,258.73/x
  3. Step 3: Cross multiply
    8,258.51x = 12,399.08 × 4,258.73
  4. Step 4: Simplify right side
    8,258.51x = 52,804,273.93
  5. Step 5: Solve for x
    x = 52,804,273.93/8,258.51
  6. Step 6: Final answer
    x = 6,393.93

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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.