Home / 7,799.75-10,756.64-5,149.83

Finding the Fourth Proportional to 7,799.75, 10,756.64 and 5,149.83

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Solution

The fourth proportional to 7,799.75, 10,756.64 and 5,149.83 is: 7,102.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.75 : 10,756.64 = 5,149.83 : x
  2. Step 2: Convert to fraction form
    7,799.75/10,756.64 = 5,149.83/x
  3. Step 3: Cross multiply
    7,799.75x = 10,756.64 × 5,149.83
  4. Step 4: Simplify right side
    7,799.75x = 55,394,867.37
  5. Step 5: Solve for x
    x = 55,394,867.37/7,799.75
  6. Step 6: Final answer
    x = 7,102.14

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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.