Home / 8,961.84-12,367.35-4,982.99

Finding the Fourth Proportional to 8,961.84, 12,367.35 and 4,982.99

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Solution

The fourth proportional to 8,961.84, 12,367.35 and 4,982.99 is: 6,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.84 : 12,367.35 = 4,982.99 : x
  2. Step 2: Convert to fraction form
    8,961.84/12,367.35 = 4,982.99/x
  3. Step 3: Cross multiply
    8,961.84x = 12,367.35 × 4,982.99
  4. Step 4: Simplify right side
    8,961.84x = 61,626,319.54
  5. Step 5: Solve for x
    x = 61,626,319.54/8,961.84
  6. Step 6: Final answer
    x = 6,876.53

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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.