Home / 7,941.88-11,912.82-4,677.76

Finding the Fourth Proportional to 7,941.88, 11,912.82 and 4,677.76

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Solution

The fourth proportional to 7,941.88, 11,912.82 and 4,677.76 is: 7,016.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.88 : 11,912.82 = 4,677.76 : x
  2. Step 2: Convert to fraction form
    7,941.88/11,912.82 = 4,677.76/x
  3. Step 3: Cross multiply
    7,941.88x = 11,912.82 × 4,677.76
  4. Step 4: Simplify right side
    7,941.88x = 55,725,312.88
  5. Step 5: Solve for x
    x = 55,725,312.88/7,941.88
  6. Step 6: Final answer
    x = 7,016.64

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Double scale
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Similar ratio
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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.