Home / 7,938.20-10,954.98-4,793.76

Finding the Fourth Proportional to 7,938.20, 10,954.98 and 4,793.76

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Solution

The fourth proportional to 7,938.20, 10,954.98 and 4,793.76 is: 6,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.20 : 10,954.98 = 4,793.76 : x
  2. Step 2: Convert to fraction form
    7,938.20/10,954.98 = 4,793.76/x
  3. Step 3: Cross multiply
    7,938.20x = 10,954.98 × 4,793.76
  4. Step 4: Simplify right side
    7,938.20x = 52,515,544.92
  5. Step 5: Solve for x
    x = 52,515,544.92/7,938.20
  6. Step 6: Final answer
    x = 6,615.55

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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.