Home / 7,749.84-10,691.35-5,163.37

Finding the Fourth Proportional to 7,749.84, 10,691.35 and 5,163.37

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Solution

The fourth proportional to 7,749.84, 10,691.35 and 5,163.37 is: 7,123.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.84 : 10,691.35 = 5,163.37 : x
  2. Step 2: Convert to fraction form
    7,749.84/10,691.35 = 5,163.37/x
  3. Step 3: Cross multiply
    7,749.84x = 10,691.35 × 5,163.37
  4. Step 4: Simplify right side
    7,749.84x = 55,203,422.59
  5. Step 5: Solve for x
    x = 55,203,422.59/7,749.84
  6. Step 6: Final answer
    x = 7,123.17

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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.