Home / 7,922.71-10,933.21-4,385.85

Finding the Fourth Proportional to 7,922.71, 10,933.21 and 4,385.85

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Solution

The fourth proportional to 7,922.71, 10,933.21 and 4,385.85 is: 6,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.71 : 10,933.21 = 4,385.85 : x
  2. Step 2: Convert to fraction form
    7,922.71/10,933.21 = 4,385.85/x
  3. Step 3: Cross multiply
    7,922.71x = 10,933.21 × 4,385.85
  4. Step 4: Simplify right side
    7,922.71x = 47,951,419.08
  5. Step 5: Solve for x
    x = 47,951,419.08/7,922.71
  6. Step 6: Final answer
    x = 6,052.40

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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.