Home / 7,310.79-10,950.39-3,840.75

Finding the Fourth Proportional to 7,310.79, 10,950.39 and 3,840.75

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Solution

The fourth proportional to 7,310.79, 10,950.39 and 3,840.75 is: 5,752.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.79 : 10,950.39 = 3,840.75 : x
  2. Step 2: Convert to fraction form
    7,310.79/10,950.39 = 3,840.75/x
  3. Step 3: Cross multiply
    7,310.79x = 10,950.39 × 3,840.75
  4. Step 4: Simplify right side
    7,310.79x = 42,057,710.39
  5. Step 5: Solve for x
    x = 42,057,710.39/7,310.79
  6. Step 6: Final answer
    x = 5,752.83

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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.