Home / 8,258.60-12,371.70-4,961.90

Finding the Fourth Proportional to 8,258.60, 12,371.70 and 4,961.90

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Solution

The fourth proportional to 8,258.60, 12,371.70 and 4,961.90 is: 7,433.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.60 : 12,371.70 = 4,961.90 : x
  2. Step 2: Convert to fraction form
    8,258.60/12,371.70 = 4,961.90/x
  3. Step 3: Cross multiply
    8,258.60x = 12,371.70 × 4,961.90
  4. Step 4: Simplify right side
    8,258.60x = 61,387,138.23
  5. Step 5: Solve for x
    x = 61,387,138.23/8,258.60
  6. Step 6: Final answer
    x = 7,433.12

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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.