Home / 7,914.12-10,922.61-4,930.89

Finding the Fourth Proportional to 7,914.12, 10,922.61 and 4,930.89

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Solution

The fourth proportional to 7,914.12, 10,922.61 and 4,930.89 is: 6,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.12 : 10,922.61 = 4,930.89 : x
  2. Step 2: Convert to fraction form
    7,914.12/10,922.61 = 4,930.89/x
  3. Step 3: Cross multiply
    7,914.12x = 10,922.61 × 4,930.89
  4. Step 4: Simplify right side
    7,914.12x = 53,858,188.42
  5. Step 5: Solve for x
    x = 53,858,188.42/7,914.12
  6. Step 6: Final answer
    x = 6,805.33

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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.