Home / 7,922.35-10,933.40-4,385.79

Finding the Fourth Proportional to 7,922.35, 10,933.40 and 4,385.79

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Solution

The fourth proportional to 7,922.35, 10,933.40 and 4,385.79 is: 6,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.35 : 10,933.40 = 4,385.79 : x
  2. Step 2: Convert to fraction form
    7,922.35/10,933.40 = 4,385.79/x
  3. Step 3: Cross multiply
    7,922.35x = 10,933.40 × 4,385.79
  4. Step 4: Simplify right side
    7,922.35x = 47,951,596.39
  5. Step 5: Solve for x
    x = 47,951,596.39/7,922.35
  6. Step 6: Final answer
    x = 6,052.70

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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.