Home / 8,961.07-12,366.36-4,982.62

Finding the Fourth Proportional to 8,961.07, 12,366.36 and 4,982.62

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Solution

The fourth proportional to 8,961.07, 12,366.36 and 4,982.62 is: 6,876.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.07 : 12,366.36 = 4,982.62 : x
  2. Step 2: Convert to fraction form
    8,961.07/12,366.36 = 4,982.62/x
  3. Step 3: Cross multiply
    8,961.07x = 12,366.36 × 4,982.62
  4. Step 4: Simplify right side
    8,961.07x = 61,616,872.66
  5. Step 5: Solve for x
    x = 61,616,872.66/8,961.07
  6. Step 6: Final answer
    x = 6,876.06

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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.